JPH11288498A - Road information providing system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide road information necessary for preventing a traffic accident at low costs in a simple constitution at a proper time and in a proper form. SOLUTION: When a vehicle 190 passes the position of a protecting body 170, the vehicle 190 receives road information indicating attention to a vehicle turning right from the protecting body 170, and outputs it from a display means (liquid crystal panel or the like) or a voice outputting means (speaker or the like). Thus, the driver of the vehicle 190 can recognize that an open part is present ahead. Also, when the vehicle 190 passes the position of a protecting block 160, the vehicle 190 receives road information indicating going slowly from the protecting block 160. On the other hand, when a vehicle 191 is detected by the projecting body 171, the protecting body 170 transmits road information indicating the presence of an oncoming vehicle, and the protecting block 160 transmits road information indicating the presence of an oncoming vehicle and going slowly. Thus, the driver of the vehicle 190 can be ready for the right turn of the oncoming vehicle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a means for transmitting road information to a vehicle traveling on a road, in particular, road information ahead of the current position in the vehicle traveling direction to the vehicle, and displaying the road information on the vehicle. The present invention relates to a road information providing system for reducing a traffic accident or mitigating a damage caused by the traffic accident by providing the information to a driver of a vehicle using a voice output unit or the like.

[0002]

2. Description of the Related Art At present, traffic accidents occur under special conditions such as rainfall, snowfall, dense fog, and freezing, traffic accidents at intersections and pedestrian crossings, and the vicinity of tops of curves and hills. Various traffic accidents such as traffic accidents in poor geographical conditions have occurred. Conventionally, in order to prevent such a traffic accident, a method of installing road facilities such as a guard rail, a concrete protective block, a median strip, a road sign for notifying road conditions and regulatory information, etc. And a method of installing ancillary facilities such as an electric display panel for notifying traffic conditions and the like. However, the method of installing road facilities such as protective blocks is difficult to recognize road facilities in the event of rainfall or dense fog, and depending on the installation location, the road facilities may become obstacles to vehicle travel and human traffic. For some reasons, the effect of preventing traffic accidents is limited. In addition, the method of installing road signs is that drivers who are likely to cause a traffic accident tend to ignore traffic rules, elderly people who do not understand traffic rules are increasing, while driving at a predetermined speed It is difficult to read road signs, it is difficult to reflect multiple read road signs instantly in driving operation, it is not possible to display appropriate information according to the weather, time zone, etc. When following a large vehicle such as a truck, the effect of preventing traffic accidents is limited due to the inability to read road signs. In addition, it takes time to read the displayed information and the ability to select the necessary information because not all the necessary information is displayed for all drivers. In addition, there is a limit to the effect of preventing traffic accidents due to reasons such as the need for time, time, and difficulty in reading because the display method is not standardized.

On the other hand, a navigation system for displaying the current position and the traveling direction of the vehicle on a display means or outputting it by voice from a voice output means to notify the driver, and detecting by a sensor or a video monitor installed at each point. VICS (Vehicle Information) which collects the road conditions obtained in a central control device (control center) and transmits road traffic control information from a transmitting device installed along the road to a receiving device (navigation system or the like) of the vehicle. Control System
), ITS (Intelligence Transportation System) and the like, which provide a vehicle with an altitude judgment function and automate vehicle operation, have been developed. However, the navigation system provides map information of a wide area to the driver, and each driver must select necessary information from the information. is there. Further, since it is not possible to immediately respond to changes due to road construction, route expansion, and the like, the road condition displayed on the display means may not correspond to the actual road condition. Also, VICS requires large-scale equipment because it requires a sensor for detecting road conditions at each point, a central management device for centrally managing road information, and the like. Further, this system transmits traffic information such as traffic congestion information for controlling wide-area road traffic to vehicles, and does not aim to transmit information for preventing traffic accidents.
In addition, ITS is expected to have the effect of preventing traffic accidents because it has functions such as monitoring the distance between vehicles in front of the vehicle and automatic driving along the running route. Has a limit. In addition, since an advanced information determination function and an automatic control function and an automatic stop function associated therewith are required, the vehicle becomes expensive.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and has a simple structure and can provide information necessary for preventing a traffic accident at low cost at an appropriate time. To the driver in an appropriate manner,
It is an object of the present invention to provide a road information providing device capable of reducing a traffic accident or lightening the damage caused by the traffic accident.

[0005]

According to one aspect of the present invention, there is provided a transmission device provided in a road facility installed along a road for transmitting road information, and a vehicle mounted on a vehicle. And a receiving device for receiving and outputting road information transmitted from the transmitting device, wherein the transmitting device is a road information providing system for transmitting road information ahead of the vehicle traveling direction from an installation point stored in advance. . By using the road information providing system according to claim 1, with a simple configuration,
The information necessary for preventing a traffic accident at low cost can be provided to the driver at the required time and in the required form. Further, the invention according to claim 2 is a transmission device that transmits road information provided in a road facility installed along a road,
A receiving device mounted on a vehicle to receive and output road information transmitted from the transmitting device, the transmitting device has a vehicle detecting unit, and the vehicle detecting unit detects a vehicle when the vehicle detecting unit detects the vehicle. This is a road information providing system for transmitting road information related to an inter-vehicle time. By using the road information providing system according to the second aspect, it is possible to provide the driver with road information relating to the time between the vehicle and the preceding vehicle, which is necessary for preventing a traffic accident, at a low cost with a simple configuration. Claim 3
In the road information providing system according to claim 2, when the vehicle detection means continuously detects the vehicle for a predetermined time or more, the transmission information indicates an abnormality in a subsequent vehicle. Send By using the road information providing system according to the third aspect, traffic congestion information necessary for preventing a traffic accident can be provided to the driver at an early stage. According to a fourth aspect of the present invention, in the road information providing system according to any one of the first to third aspects, the transmission device is provided in a protection block. According to a fifth aspect of the present invention, in the road information providing system according to any one of the first to third aspects, the transmission device is provided on a protective body. According to a sixth aspect of the present invention, in the road information providing system according to any one of the first to third aspects, the transmission device is provided in a sign post. By using the road information providing system according to claims 4 to 6, obstacles on the road do not increase. According to a seventh aspect of the present invention, in the road information providing system according to any one of the first to sixth aspects, the transmitting device transmits road information according to the weather at the installation location. The use of the road information providing system according to claim 7 makes it possible to provide the driver with appropriate road information according to the weather. According to an eighth aspect of the present invention, in the road information providing system according to any one of the first to seventh aspects, the transmission device transmits road information according to a time zone. The use of the road information providing system according to claim 8 makes it possible to provide the driver with appropriate road information according to the time zone. According to a ninth aspect of the present invention, in the road information providing system according to any one of the first to eighth aspects, the transmission devices are sequentially connected by a connection line,
The transmitting device transmits road information when detecting disconnection of the connection line. With the use of the road information providing system according to the ninth aspect, the occurrence of a vehicle accident or the like can be promptly notified to the following driver, a road government organization, and the like. According to a tenth aspect of the present invention, in the road information providing system according to any one of the first to ninth aspects, the transmitting device transmits road information and outputs a signal to another transmitting device, The transmitting device transmits road information corresponding to the signal input from the transmitting device. The use of the road information providing system according to claim 10 can prevent a collision accident at an intersection or the like. According to an eleventh aspect of the present invention, in the road information providing system according to any one of the first to tenth aspects, the receiving device outputs the received road information in a predetermined order. By using the road information providing system according to the eleventh aspect, road information required by the driver can be output with priority.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to prevent a traffic accident, it is important to provide a driver with necessary information. For example, information on a front intersection (right turn prohibition, entry information of another vehicle from another direction, time until a traffic light is switched, etc.), information on a road intersecting at a front intersection (name, destination, etc.), road surface in front of the road If a situation (temperature, weather, etc.), the distance between the vehicle and the preceding vehicle, information on the road ahead (road construction, dead end, etc.), etc. are provided to the driver in advance, a traffic accident can be prevented. In addition, since the driver's cognition and judgment are not uniform, necessary information is required to be in an "appropriate form" having "easiness to see" and "intelligibility". Providing all the information to all the vehicles only confuses the driver, and only provides the necessary information to the driver who needs it. Time"
Is required to be provided. By the way, usually, a protection block, a protection body, and the like are installed in a place where a traffic accident is highly likely to occur. That is, the place where the protection block, the protection body, and the like are installed is a place that requires road information in advance. Therefore, if a protection block, a protection body, or the like is used as an information source for providing road information, necessary information can be provided to the driver when necessary. In addition, by using a protective block, a protective body, and the like as information sources, obstacles such as pedestrians, bicycles, and vehicles do not increase, and the beauty of the city is not impaired. In order to provide necessary information in an appropriate form, a method of providing information may be considered.

An embodiment of the present invention will be described below with reference to the drawings. The configuration of a protection block provided with a transmission device constituting the road providing system of the present invention will be described with reference to FIGS. 1 is a perspective view of the protection block as viewed from the rear, FIG. 2 is a side view, and FIG. 3 is a cross-sectional view of the block alone. The protection block 1 includes a base 2, blocks 3 -A to 3 -J stacked on the base 2, a support 5 for fixing the blocks 3 -A to 3 -J on the base 2, and a block 3 -A. 3 to J, a backrest 6, a reinforcing plate 11 for reinforcing the backrest, and a cover 12. The base 2 is formed of concrete, an iron plate, or the like, and is fixed to the road surface 15 or the like. Each of the blocks 3 -A to 3 -J is made of a synthetic resin or the like, has vertical ribs 20 and horizontal ribs 21 for absorbing shock, and has a through hole for penetrating the column 5, and a vertical hole. A boss hole 4 of a tapping screw is formed in a joint portion between the rib 20 and the lateral rib 21 or the like. Then, various devices (vehicle detection sensors, lighting devices, etc.) are fixed to the boss holes 4 of the uppermost block unit 3-A by tapping screws 23. When the boss holes 4 are provided at equal intervals or at equal pitches, the mounting workability of various devices is improved. In addition, the cost can be reduced by using a single block in common. The backrest 6 is formed of concrete or an iron plate, and has a built-in transmission device including a control unit and a transmission unit. The backrest 6 has a door 8 and slits 9 and 10 for transmitting and receiving signals. In this case, two slits are provided because two transmission units are used. In addition, various devices can be incorporated in the backrest. Cover 12
Is attached to the uppermost block unit 3-A and the backrest 6 by an attachment member 13 such as a screw.

FIG. 4 shows a schematic diagram of a transmission device provided in such a protection block 1. The transmission device includes a main body 30, transmission units 37 and 38, and the like. In addition,
By using a transmitting / receiving unit instead of the transmitting unit, a vehicle detection function can be added, and the number of transmitting units can be changed as appropriate. The main body 30 has input means 31 such as keys, display means 32 such as a liquid crystal panel, a card insertion slot 33 for inserting a ROM card or the like in which predetermined road information or the like is stored, and an ID card or the like. Card slot 35, ROM card, ID card, etc.
Eject buttons 34, 3 for taking out from 3, 35
6. A control device (not shown) is provided. The road information transmitted from the transmitting device is set using a ROM card or an input unit 31. For example, road information common to each region is set using a ROM card, and information on the start and end dates and times of road construction, such as burial of sewer pipes and repair of roads, and route information according to rainfall. The input unit 31 is used to set closing information, cautionary information on road surface freezing based on seasonal conditions, and special road conditions. The set road information is input by the input unit 31 or by the ID card and the input unit 3.
The display 1 can be displayed on the display means 32 or output from the audio output means for confirmation. The transmission time can be reduced by using a method in which display information or voice information corresponding to various road information is stored in the vehicle in advance and a code corresponding to the road information is transmitted from the transmission device.

FIG. 5 is a schematic diagram of a receiving device mounted on a vehicle. The receiving device includes a control device 40, a transmitting unit 37,
Receiving means 41 to receive the road information transmitted from
43, display means 44 for displaying received road information and the like, audio output means 45 such as a speaker for outputting received road information by voice, mode setting means 46 for setting the display mode of the display means 44, and display means for displaying road information A switching unit 47 for setting whether to output from the output unit 44 or from the audio output unit 45 or the like is configured. As the display means 44, a car navigation display means can be used. If the switching means 47 is provided near a shift lever, a steering wheel or the like, the operation becomes easy.

If the transmission output from the transmission means is increased, road information can be transmitted to the target vehicle without fail.
Road information may be transmitted to vehicles other than the target vehicle, for example, vehicles traveling in the oncoming lane. Therefore, in the present embodiment, the radio wave to be used is a radio wave of a very high frequency such as a low-output microwave or a UHF wave, and the radio wave transmitted from the transmission device 1 provided in the protection block 1 of the median strip 50 as shown in FIG. The radio wave to be transmitted has directivity. Further, when a small vehicle and a large vehicle are running in parallel, the small vehicle may not be able to receive the road information. Therefore, in the present embodiment, as shown in FIG. Direction directions of the two transmission units 37 and 38 are set so that road information is transmitted to 51 and 52. In order to ensure that each vehicle receives the road information, a plurality of antennas 56, 5 and 5 are mounted on a front bumper, a front fender mirror, a rear luggage portion and the like of the vehicle 55.
7, 58 are provided. Note that the type of radio wave, the number and direction of the transmitting means, the number of antennas of the vehicle, the installation location, and the like can be variously changed. Also, when using a plurality of transmitting means and a plurality of antennas, road information transmitted from the same transmitting device may be received, but the same road information is displayed from the displaying means or the sound output means within a predetermined time. To avoid confusion to the driver by not outputting,
Alternatively, it is possible to cope with the situation by alerting the driver by enabling all the received transmission information to be output from the display means or the sound output means.

Next, the construction of a protective body provided with a transmission device constituting the road information providing system of the present invention is shown in FIGS.
0 will be described. 7 is a perspective view of the protective body, FIG. 8 is a perspective view of the intermediate block, FIG. 9 is a perspective view of the base block, and FIG. is there. The protection body 60 includes a base block 61, intermediate blocks 62-A to 62-E stacked on the base block 61, a cover 64 placed on the uppermost stage, the base block 61, and the intermediate block 62-.
A to 62E are supported by supporting columns 63 and the like in a connected state. The intermediate blocks 62-A to 62-E are made of synthetic resin or the like, and as shown in FIG. Protrusions 71 extending over the entire circumference of the upper surface
And a spine portion 72 suspended from the lower surface of the central portion of the top plate portion 70
And A large number of holes 73 are formed in the top plate 70 as passages for rainwater and dust to fall downward. The backbone 72 is formed with a large through hole 74 through which the column 63 penetrates, and a small through hole 75 through which bolts and the like pass. A large number of wall portions 76 project from the spine portion 72 to the top plate portion 71 in a connected state, and a recess corresponding to a chamber 78 described later is provided. A notch 77 corresponding to the ridge 71 is formed at the tip of the lower end of the wall 76, and the intermediate block 62-A is formed.
When -62-E are stacked, the ridge 71 and the notch 77 are engaged to determine the position.

The cover 64 is made of a transparent or translucent synthetic resin or the like in a dome shape. The cover 64 has a built-in lighting device so that the entire cover 4 emits light. The base block 61 is formed of a synthetic resin or the like, and as shown in FIG. 9, a base 82 is formed integrally with a lower part of a block body 81 having a shape similar to the intermediate block.
The block main body 81 includes a top plate portion 83, a ridge portion 84, a spine portion 85, a hole 86, and a large through hole 8 through which the column 63 passes.
7, small through holes 88 for passing bolts and the like, and wall portions 89. The base 82 has a receiving surface 90 that decreases from the center of the base toward the periphery, and rainwater and dust flow over the receiving surface 90 and are discharged to the outside. 91 is the wall 8
This is a chamber partitioned by 9 and having an opening on the outer peripheral surface.

The storage box 100 is formed of a synthetic resin or the like, and has a top plate 101, a projection 102, and a notch (not shown) as shown in FIG. The storage box 100 has a built-in transmitting device, various devices, etc., and is formed with a small through hole 103 for passing bolts and the like, and holes 104 and 105 for transmitting and receiving signals. The storage box 100 includes, for example, the uppermost intermediate block 62.
−A and the cover 64.

The intermediate block 6 is placed on the base block 61.
When 2-A to 62-E are stacked, the intermediate block 62-E
By connecting the outer peripheral surfaces of A to 62-E vertically, a protective surface against which a vehicle or the like collides is formed, and at the same time, a number of chambers 78 having openings in the protective surface are formed. The rainwater and dust entering the chamber 78 of the intermediate blocks 62-A to 62-E fall downward through the holes 73, and fall into the holes 86 of the base block 61.
, And is guided to the receiving surface 90 to be guided to the outside. In addition, the noise of passing vehicles is reduced by the base block 6.
1 and a large number of chambers 78, 91 formed on the outer peripheral surface of the intermediate blocks 62-A to 62-E, that is, the protective surface of the protective body 60.
It is absorbed by the inner wall of the vehicle and interferes with the room to attenuate. At the same time, some of the dust and soot in the exhaust gas, which are wound up by the traffic of the vehicle, fall on the inner walls of the chambers 78 and 91 and are prevented from falling off and scattering. The hole 7
The shapes of 3, 86 and the chambers 78, 91 can be variously changed.
Alternatively, rubber, glass wool, or other sound absorbing material may be attached to the walls 76, 89, etc., to improve the noise reduction performance.

By the way, the protection body 60 may be installed as a single unit, but it is used at regular intervals on a median strip of a road. In that case, it is preferable to arrange the protection bodies 60 relatively honey so as to be oblique to the front of the road. In addition, the distance between the adjacent protective bodies 60 is such that the tip of the fallen protective body 60 is adjacent to the succeeding protective body 60.
It should be arranged so that it abuts above approximately two thirds.

In the above, the case where the transmitting device is provided in the protective block or the protective body disposed in the median strip or the roadside zone or the like has been described. However, the narrow alley in the housing complex, the intersection between the alleys,
In places where it is difficult to install protective blocks, protective bodies, etc., such as at intersections of roads and alleys, signposts equipped with transmitters will be installed. The configuration of the sign post will be described with reference to FIGS. 11 is a schematic view of the sign post, FIG. 12 is a view showing a state where the sign post is bent, FIG. 13 is a schematic view of the body member, and FIG. 14 is a cross section of the uppermost body member. FIG. 15 is an electric circuit diagram of the sign post. The sign post 110 includes a base member 111 fixed to a road surface, a column 112 erected at the center of the base member 111, and a body member 113-A to 113 that is fitted around the column 112 and stacked. -H4 or the like. The base member 111 is provided with a holding portion for holding the support column 112 in an upright state at a central portion, and a mounting hole 114 for inserting a bolt at a position near the outer periphery is formed. The support 112 has flexibility to absorb impact. For example, it is formed of an elastic material such as a relatively soft rubber pipe or a bundle of solid rods or wires. This way, if a pedestrian hits the sign post, they won't get hurt,
Also, there is little possibility that the vehicle will be damaged if it hits the sign post.

Each of the body members 113-A to 113-H is a container having a closed structure in which a substantially cylindrical cylinder 130 is covered on a base 120. The lower surface of the base 120 and the upper end surface 133 of the cylindrical body 130 are formed in shapes that can be substantially adhered to each other.
These mating surfaces are inclined so as to be slightly lower toward the outer peripheral edge portion, so that rainwater does not easily accumulate in gaps between the connecting portions when the body members are stacked. The mating surface may be curved to have a substantially spherical surface. The base 120 is provided with a through hole 121 for passing the support column 112 at the center, a recess for inserting the cap 135 on the lower surface side, and a terminal 122 connectable to the cap 135 is mounted in the recess. I have. In the cylinder 130,
An inner cylinder portion 131 is formed to allow the support column 112 to penetrate therethrough. A connection pin 134 is provided on the upper surface side, and a cap 135 is attached to the connection pin 134. Each body member 113-A to 113-H includes a light emitting diode (L
ED) or other light-emitting means 123, control device 124, storage battery 1
25, various alarm means, etc., which are connected by a lead wire 126. The uppermost body member 1
13-A has a lid 140 mounted on the upper part of the cylindrical body 130-A. The solar cell 141 is attached to the lid 140, and the storage battery 125 of each body member is charged by the output of the solar cell 141.

The body members 113-A to 113-H are formed by connecting the end of the inner cylinder 131 of the cylinder 130 to the through hole 12 of the base 120.
1 and the outer cylindrical portion 1 of the cylindrical body 130.
32 is assembled by fitting the end of the base 32 to the outer periphery of the base 120. Then, the body members 113-A to 113-H assembled in this manner are sequentially inserted into the support pillars 112, stacked and positioned (stopped) by the connection pins 134, and the cap 135 and the terminals 122 are connected. By doing so, the sign post 110 is assembled.

The body members 113-A to 113-H
Is formed of a synthetic resin material, and a transparent, translucent, opaque, colored by coloring or the like is appropriately selected. Alternatively, it may be formed of a metal such as a light alloy. In this case, a fluorescent paint may be applied to the surface, or a reflective tape may be attached. Further, it is preferable that the cap 135 and the terminal 122 can maintain a strong engagement state by elastic force. Further, the support 112 and the body members 113-A to 113-
By making H loosely fit, the self-restoring function due to the flexibility of the column 112 when receiving an external force from the side is improved.

Next, an example of the alarm means provided in the sign post 110 and its operation will be described with reference to FIG. The body member 113-A includes a light emitting unit 123-A and a control device 124.
-A, a storage battery 125-A and a solar cell 141 are provided,
The body member 113-C includes a light emitting unit 123-C, a control device 124-C, and a storage battery 125-C.
13-D includes a control device 124-D, a storage battery 125-D,
A proximity sensor 143 and a sounding means 144 such as a buzzer are provided. The body member 113-F is provided with a control device 124-F, a storage battery 125-F, a sound collecting means 145 such as a microphone, and a transmitting means 146 such as a transmitter. , Body member 113-G
Is provided with a control device 124-G, a storage battery 125-G, a stress sensor 147, and a transmission unit 148. The insides of the body members 113-B, 113-E and 113-H are empty, and the respective caps and terminals are directly connected by lead wires 126. When the body members 113-A to 113-H are stacked on the base member 111, the lead wire 126 and the control devices 124-A, 124-C, and 124-H are stacked.
D, 124-F and 124-G form a loop, and the connection between the cap and the terminal of each body member constitutes a switch 142 interposed in the loop.

The control device provided in each body member has the following alarm function. Each control unit is
A disconnection detection function that constantly monitors the state of the switch, that is, the sign post 110 is bent by an external force as shown in FIG.
Is equipped with a function to detect that
When it is detected that 42 has been opened, the light emitting means is operated or the transmitting means is operated to transmit a predetermined signal to a remote place. Thereby, the occurrence of a vehicle accident or the like can be notified at an early stage. The control devices 124-A and 124-C operate the light emitting means 123-A and 123-C, etc., to notify a dangerous point such as an edge of a road or a sabo dam. Control device 124-
D activates the sound generating means 144 or the sound generating means 144 and the light emitting means when the approach of a person or a vehicle is detected by the proximity sensor 143. Thus, it is possible to give attention to a person or a vehicle and to notify that the person or the vehicle is approaching. The controller 113-F transmits the signal to the transmitter 14 when the microphone 145 detects a sound of a predetermined level or more.
6 is operated to transmit a predetermined signal to a remote place. As a result, it is possible to know that the vehicle is approaching. The controller 124-G operates the transmitter 148 to transmit a predetermined signal to a remote location when the stress sensor 147 detects that an external force equal to or more than a specified value is applied to the sign post 110. As a result, the occurrence of a vehicle accident or the like can be known at an early stage. As the stress sensor 147, for example, a sensor that detects bending stress using a strain gauge, a sensor that detects inclination using an inclination sensor, and a sensor that detects impact using an acceleration sensor can be used.

The alarm means provided in each of the body members described above is merely an example, and can be appropriately selected or combined. Therefore, it is possible to assemble sign posts having various configurations by changing the combination of the body members and the order of stacking. Further, by providing an appropriate sensor for each body member, it is also possible to detect a traffic volume of a vehicle, a forest fire, a flood, and the like. In addition, although a storage battery is used as a power source for each body member, an external power source may be used.

Next, the operation of the road information providing system of the present invention will be described. FIG. 16 is a diagram illustrating the operation of the road information providing system in an urbanized area. In FIG.
South-North Road 150 and North-South South Road 1
The north-south road having 51 crosses the east-west road at the intersection 152. The north road 150 has a narrow road 153
Are joined, and the southern road 151 is provided with an entrance and exit of a parking lot 154 of a large store.
Four fences 155 and 156 are provided. Median strip 15 between northern road 150 and southern road 151
7 and 158 are provided, and a portion corresponding to the junction of the road 153 and the northward road 150 and the entrance and exit of the parking lot 154 is an opening 159. A protective block 160 provided with a transmission device for transmitting road information to a vehicle 190 traveling on the northward road 150 is installed at the end of the median strip 157 on the side of the opening 159, and a predetermined distance in the south direction from the opening 159. A protective body 170 provided with a transmitting device for transmitting road information to a vehicle 190 traveling on a northern road 150 is installed at a position distant from the vehicle. In addition, a protective block 161 provided with a transmission device for transmitting road information to a vehicle 191 traveling on a southern road 151 is installed at the end of the median strip 158 on the side of the opening 159, and the protection block 161 is located in the north direction from the opening 159. A protection body 171 provided with a transmission device for transmitting road information to a vehicle 191 traveling on a southern road 151 at a position separated by a predetermined distance is installed, and a northern road 1 is provided at an end on the intersection 152 side.
A protection block 162 provided with a transmission device for transmitting road information to a vehicle 192 running on the vehicle 50 is installed. On the road 153, sign posts 180 and 181 provided with a transmission device for transmitting road information to a vehicle 193 traveling in the direction of the junction near the junction with the northward road 150 and at a position a predetermined distance before the junction with the northward road 150 are installed. Have been. Parking lot 15
At the entrance 4, protection blocks 172 and 173 provided with a transmission device for transmitting road information to a vehicle joining the southward road 151 from the parking lot 154 are installed.

If the opening 159 is prohibited from turning right, the protection block 160 installed immediately before the opening 159 is not used.
By transmitting road information indicating right turn prohibition to the vehicle 190 and notifying the driver of right turn prohibition, a traffic accident at the opening 159 is prevented. Here, if the driver of the vehicle 190 planning to make a right turn at the opening 159 knows that the right turn is prohibited immediately before the opening 159, the driver interrupts the right turn and performs a change operation from right turn to straight ahead. Must be performed at the same time, and the unstable operation may cause a contact accident involving the surrounding vehicle. Therefore, the road information indicating that the right turn is prohibited is transmitted to the vehicle 190 from the protective body 170 installed on the front side of the opening 159, and the driver of the vehicle is notified in advance. For example, the display information of the right turn is blinked on the display means of the vehicle. It should be noted that after receiving the road information indicating that the right turn is prohibited, the display means displays the right turn prohibition sign information for a predetermined time (for example, from when the vehicle 190 passes through the position of the protective body 170 to when the vehicle 190 reaches the opening 159). If the driver makes a right turn signal (operation of the turn signal lever, etc.) within the time period, the display state of the display means is changed or a sound or a warning sound (alarm) is generated. Actions are suppressed, and the effect of preventing traffic accidents is further increased.

On the other hand, even if the opening 159 is not prohibited from turning right, there is a risk of a collision accident with an oncoming vehicle at the time of turning right. Therefore, a vehicle detection sensor is provided on the protection body 171 installed in front of the opening 159 of the oncoming lane, in this case, the southern road 151, and the protection body 171 and the protection body 1 are provided.
70, the protection block 160 is connected to form a network. When passing through the position of the protective body 170, the vehicle 190 receives, for example, road information indicating, for example, caution of a right-turn vehicle from the protective body 170, displays display information on the caution of a right-turn vehicle on the display means, and releases the driver to the front. Notice that there is a part 159. Then, when passing through the position of the protection block 159, road information indicating slow driving is received from the protection block 159, display information of slow driving is displayed on the display means, and the driver is urged to pay attention to a right-turn vehicle. On the other hand, the protection body 171 is
1 is detected, the protection body 17 is detected.
The road information indicating that the vehicle is turning right is transmitted from 1 to the vehicle 191, and a vehicle detection signal is output to the protection body 170 and the protection block 160. The protection body 170 is the protection body 1
When a vehicle detection signal is input from 71, for example, road information indicating the presence of an oncoming vehicle is transmitted. Thereby, the protective body 170
Is displayed on the display means of the vehicle 190 passing through the position, and the driver is notified that there is an oncoming vehicle. In addition, when the vehicle detection signal is input from the protection body 171, the protection block 160 transmits, for example, road information indicating that there is an oncoming vehicle and that the vehicle is slowing down. Thereby, the protection block 1
The display means of the vehicle 190 passing through the position 60 displays on-vehicle display information indicating that there is an oncoming vehicle and that the driver is preparing for a right turn of the oncoming vehicle. By providing such road information about oncoming vehicles to the driver in advance, it is possible to
It is possible to prevent a collision accident with an oncoming vehicle when fog is generated or when the vehicle is running behind a large vehicle.

Also on the road 153, for example, road information indicating a temporary stop and road information indicating a temporary stop ahead are transmitted from the sign posts 180 and 181 installed near and before the junction with the northward road 150. Thereby, the vehicle 1 merging from the road 153 to the north road 150
When the 93 passes through the position of the sign post 181, the display information indicating the temporary stop is displayed on the display means, so that the driver can recognize in advance that the forward is a stop, and A collision accident at the junction can be prevented. It should be noted that if the speed of the vehicle is equal to or higher than a predetermined speed within a predetermined time after receiving the road information indicating the stop in front, a voice or a warning sound is output to alert the driver. preferable. In addition, protective body 1
70 is provided with a vehicle detection sensor.
And signposts 180 and 181 may be connected to form a network. For example, when it is detected that the vehicle 190 is traveling at the position of the protective body 170,
The display lamps of the sign posts 180 and 181 blink, and road information indicating that there is a running vehicle is transmitted to the vehicle 193. Further, even if the road 153 has a priority on the northern road 150, the vehicle 193 that joins the northern road 150 from the road 153 may join without stopping once. Therefore, when the sign post 181 detects the vehicle 193, the protective body 170 transmits road information indicating that there is a merging vehicle ahead to the vehicle 190, and prepares for the driver of the vehicle 190 to jump out of the merging vehicle from the road 153. With such a configuration, the effect of preventing traffic accidents is further increased.

When the vehicle is running behind a large vehicle, it is difficult for the driver of the vehicle 192 to check the display of the traffic light installed at the intersection 152, and the display of the traffic light is red just before the intersection. You may know that In such a case, there is a risk of a rear-end collision or the like due to sudden braking. Therefore, the road information indicating the intersection is transmitted from the protection block 162 installed before the intersection 152, and the road information indicating the presence of the front intersection is transmitted from the protection block 160 installed a predetermined distance before the intersection. As a result, it is possible to recognize in advance that there is an intersection, and it is possible to sufficiently cope with knowing that the traffic light is displayed in red immediately before the intersection. In addition,
If it is known how many seconds later the blue light of the traffic light installed at the intersection 152 changes, the driver can determine whether or not the vehicle can pass through the intersection, thereby preventing a collision accident at the intersection. Can be. Therefore, at intersection 15
A network may be formed by connecting the two traffic lights and the protection block 160 or 161, and the protection block 160 may transmit road information indicating the remaining time of the traffic light at the front intersection 152 displayed in blue.

From the entrance of the parking lot 154, the south road 151
The road information indicating the temporary stop is transmitted from the protection blocks 172 and 173 installed at the entrance of the parking lot to the vehicle joining the vehicle. In this case, the protection body 171 is provided with a vehicle detection sensor, and the protection body 171 and the protection block 172 are provided.
And 173 may be connected to form a network.
Further, a vehicle detection sensor may be provided on the protection bodies 172 and 173, and the protection bodies 172 and 173 and the protection body 171 may be connected to form a network.

Next, the operation of the road information providing apparatus in a mountain area or the like will be described with reference to FIG. The road 200 has a mountain area on the right side and a valley on the left side. An intersection 202 with the road 201 is located at a point down a downhill of a right curve.
A bridge 204 that crosses the river 203 after passing through No. 2 is installed. Protective bodies 210 to 222 for preventing the vehicle from falling in the valley are provided on the shoulder portion of the valley side of the road 200.
Is installed, and at the position of the intersection 202, the protective bodies 230-2
32 are installed. Protectors 210-222, 23
A protective body provided with a transmitting device in all or a part of 0 to 232 is used. Here, from the protective bodies at appropriate positions of the protective bodies 210 to 222, for example, road information indicating a forward descending slope, road information indicating a forward right curve, road information indicating a slowdown, road information indicating the presence of a forward intersection, and the like. Send This provides the driver with necessary road information in advance even when fog is generated or the visibility is poor, such as at night, preventing a vehicle falling accident, a rear-end collision with a preceding vehicle, a collision at an intersection, etc. can do. If the protective body transmits road information indicating the safe speed, and the vehicle-side receiving device is configured to give a warning such as speed over when the speed of the vehicle exceeds the safe speed, the traffic accident prevention effect can be further improved. Rises. Further, road information indicating that there is a forward intersection and road information indicating that there is a bridge beyond the intersection can also be transmitted from the protective bodies 220 to 222. Thereby, the driver can foresee that there is a river at a place past the intersection, and it is possible to prevent a fall accident or the like to the river 203 after passing through the intersection 202. Further, in a mountainous area, the road surface may freeze when the temperature is low in winter or the like. Therefore, a temperature sensor or the like is provided in the protection 210 to 222 to transmit road information indicating the outside air temperature or road information indicating the road surface freeze. It can also be configured. Thereby, the driver can prepare for road surface freezing, and can prevent a slip accident or the like.

Next, the operation of the road information providing system at an intersection without a traffic light will be described with reference to FIG. The narrow north-south road 240 crosses the wide east-west road 241 at an intersection 242. Priority is 241 East-West Road
Because it is on the side, the north-south road 240 has a stop line 243 in front of the intersection 242. When the vehicle 247 and the vehicle 248 are running as shown in FIG. 18, the vehicle 247 normally stops at the position of the stop line 243 so that a collision does not occur, but the driver of the vehicle 247 stops temporarily. The vehicle 247 overlooks the intersection 242
If you enter, a collision will occur. Therefore, before the intersection 242 of the north-south road 247, the protective bodies 250 to 25
6 is installed. Here, each of the protective bodies 250 to 256 has a function of transmitting road information and a function of detecting the traveling speed of the vehicle. For example, each of the protective bodies 250 to 256 is installed at a predetermined interval, and the traveling speed of the vehicle is measured by measuring the time when the vehicle passes between the protective bodies. Vehicle 247 crosses north-south road 240 at intersection 242
When traveling in the direction, the vehicle 247 includes the protective bodies 250 to 2.
When passing through the position 56, for example, road information indicating that there is a forward intersection, road information indicating that the vehicle is slowing down, road information indicating that a right turn is prohibited or a straight ahead is prohibited, etc.
The data is received from 256 and displayed on the display means. This allows
The driver can recognize in advance that there is an intersection ahead. Then, the vehicle 247 includes the protection bodies 253 to 256.
Is received from the protective bodies 253 to 256 when the vehicle passes through the position, and the information is displayed on the display means. At this time, the protective bodies 253 to 256 detect the traveling speed of the vehicle 247, and if the traveling speed of the vehicle 247 is equal to or higher than a predetermined speed, for example, transmit road information indicating stop. As a result, for example, the display information of the stoppage is blinked and displayed on the display means of the vehicle 247, and a warning sound is generated, thereby prompting the driver to perform the brake operation.

On the other hand, even if the priority is on the east-west road 241 side, the vehicle 247 traveling on the north-south road 240 may enter the intersection 242 without stopping temporarily. That is, there is a risk of being involved in a traffic accident due to the carelessness of the driver of another vehicle. Therefore, protective bodies 257 to 262 are installed in front of the intersection 242 of the east-west road 241. Here, the protective bodies 257 to 262 have a function of transmitting road information and a function of detecting the traveling speed of the vehicle. The vehicle 248 includes protective bodies 257 to 259
For example, when passing through the position, road information indicating that there is a forward intersection is received from the protective bodies 257 to 259 and displayed on the display means. Thereby, the driver can recognize in advance that there is an intersection ahead. And the protective body 260 ~
When passing through the position 262, for example, road information indicating forward caution is received from the protective bodies 260 to 262 and displayed on the display means. On the other hand, when the protection bodies 250 to 256 detect the vehicle 247, for example, road information indicating that there is a left vehicle is transmitted from the protection bodies 257 to 262. This allows the driver to recognize in advance that the vehicle is coming from the left, so that it is possible to prepare for the case where the vehicle 247 enters the intersection 242. In addition, protective bodies 253-256
If the vehicle 247 detects that the traveling speed of the vehicle 247 is equal to or higher than the predetermined speed, the possibility that the vehicle 247 enters the intersection 242 increases, and the protective bodies 260 to 262 transmit road information indicating, for example, slowing down. I do. In addition, protective body 2
When both the traveling speed of the vehicle 247 detected at 54 to 256 and the traveling speed of the vehicle 248 detected at the protection members 260 to 262 are equal to or higher than a predetermined speed, there is a high possibility that the vehicle 247 and the vehicle 248 collide. For example, road information indicating accident avoidance is transmitted from the protection bodies 260 to 256 and the protective bodies 260 to 262 to urge the drivers of both vehicles to perform the brake operation.
If the neighborhood is a residential area, road information indicating that the area is around the school is received from the protective body. .

Next, the operation of the road information providing system on a highway or the like will be described with reference to FIG. On a highway, it is necessary to maintain an appropriate distance between the vehicle and a preceding vehicle in order to prevent a traffic accident. The distance between the car and the front car can be maintained properly because the front car can be checked in fine weather or during the daytime, but it should be checked during heavy rain, heavy fog, snowfall, etc. The difficulty of rear-end collision increases the likelihood of a rear-end collision. Therefore, the protective body 30 installed in the median strip 300
As 1, a protective body provided with a vehicle detection sensor and a transmission device is used. Here, each protective body transmits road information indicating the elapsed time from the time when the preceding vehicle passed, that is, the inter-vehicle time with the preceding vehicle, every time when the passing of the vehicle was detected by the vehicle detection sensor, The receiving device displays the received inter-vehicle time with the preceding vehicle on the display means. Thereby, for example, the driver of the vehicle 309 can determine the inter-vehicle distance to the preceding vehicle based on the inter-vehicle time with the preceding vehicle 308 and the traveling speed of the own vehicle which are displayed on the display means when passing through the position of the protective body 304. X1 is obtained, and the traveling speed can be adjusted so as not to collide with the preceding vehicle. In addition,
The receiving device on the vehicle side obtains the inter-vehicle distance X1 with the preceding vehicle based on the inter-vehicle time with the preceding vehicle and the traveling speed of the vehicle, and displays it on the display means. If the vehicle travels at the current traveling speed, it may collide with the preceding vehicle. If there is a possibility, a function of giving a warning to the driver by blinking the inter-vehicle distance or the like may be provided.
Further, the protective body 301 is provided with a vehicle detection sensor capable of detecting a vehicle traveling in the traveling lane and a vehicle traveling in the overtaking lane. The inter-vehicle time with the preceding vehicle is transmitted, and the receiving means of the vehicle displays the inter-vehicle distance X1 with the preceding vehicle traveling on the same lane or the inter-vehicle time X2 with the preceding vehicle traveling on a different lane. Can also be configured. Further, it is not necessary to use all the protection bodies 301 as the protection bodies provided with the vehicle detection sensors and the transmission devices. For example, only the protection bodies 302 to 305 at predetermined intervals may be used as the protection bodies provided with the vehicle detection sensors and the transmission devices. Good.

On the other hand, when a vehicle is stopped or slowed down on the highway due to an accident or the like and congestion occurs, the following vehicle is congested so that the following vehicle does not collide with the trailing vehicle of the congestion. You need to let them know. Therefore, as shown in FIG. 20, a network is configured by connecting the control devices 321, 331, and 341 of the transmission devices 320, 330, and 340 of each protection body installed along the highway in sequence with connection lines. Here, each control device receives a normal signal from the upstream control device, outputs a normal signal to the downstream side when the control device determines that the control device is normal, and outputs an abnormal signal from the upstream control device. Is input or when the control device determines that there is an abnormality, an abnormality signal is output to the downstream side, and, for example, road information indicating an abnormality or a caution ahead is transmitted from the transmission unit. The control device determines that the vehicle is abnormal when, for example, the vehicle detection state of the vehicle detection sensor continues for a predetermined time or more. Accordingly, the receiving device of the vehicle displays the display information of the occurrence of the forward abnormality by blinking or the like, so that the driver can recognize that the abnormality is occurring ahead, and can prevent a traffic accident. In this case, only a predetermined number of control devices downstream from the last transmission device in the series of transmission devices determined to be abnormal are configured to output an abnormality signal to the downstream side. Thus, the road information indicating the forward abnormality / attention is transmitted only to the necessary vehicle. In addition, when a joint plug is provided in the connection line connecting each control device, and when the joint plug is cut off due to a collision with the protective body of the vehicle or the like, each control device outputs an abnormal signal to the downstream side and outputs an abnormal signal. May be configured to be transmitted. In addition, the installation interval of the protection body provided with the vehicle detection sensor and the transmission device can be variously changed, for example, to be narrow in a place where the dense fog is likely to occur and wide in a place with good visibility.

Next, the operation of the road information providing system in a narrow alley, an alley-to-alley intersection, a road-to-alley intersection, etc. in an apartment complex where a situation in which a vehicle crosses a person or a bicycle will be described with reference to FIG. . When the road 350 and the road 351 intersect at the intersection 352 and the visibility around the intersection is poor due to the fence of the house, the planting, the stone wall, etc., when the vehicle 353 and the bicycle 354 run as shown in FIG. Possible collision. Therefore, the sign posts 361 and 360 are set before the intersection 352 of the road 351 and a predetermined distance before the intersection 352,
The sign posts 363 and 362 are set before the intersection 352 of the road 350 and a predetermined distance before the intersection 352. Here, the sign posts 360 and 362 have a function of detecting a person, a vehicle, and the like.
3 are connected to form a network. Vehicle 3
53 travels on the road 350 in the direction of the intersection 352, and when the sign post 362 detects the vehicle 353, the sign post 3
62 transmits a detection signal to the sign post 363. When a detection signal is input from the sign post 362, the sign post 363 transmits, for example, road information indicating that there is an intersection ahead and a caution, displays a display lamp, and generates a warning sound. Thereby, the driver of the vehicle 353 can recognize that there is an intersection ahead. Similarly,
When the sign post 360 detects the bicycle 354, the sign post 361 transmits road information indicating that there is an intersection ahead and a caution, an indicator light is displayed, and a warning sound is generated. Thereby, the person riding the bicycle 354 can recognize that there is an intersection ahead.

On the other hand, when the sign post 362 detects the vehicle 353 or after the detection, the sign post 360 detects the bicycle 354, or when the sign post 360 detects the bicycle 354 or after the detection.
When the vehicle 62 detects the vehicle 353, there is a high risk that the vehicle 353 and the bicycle 360 collide at the intersection 352. In this case, it is necessary to warn both the vehicle 353 and the bicycle 354 to prevent a collision accident at the intersection 352. Therefore, for example, the sign post 361 is configured to output an approach signal to the sign post 363 when a detection signal is input from the sign post 360. And
When an approach signal is input from the sign post 361, the sign post 363 transmits road information indicating that there is an approaching object / pause, blinks an indicator light, and generates a warning sound. The sign post 361 operates similarly when an approach signal is input from the sign post 363. Thereby, the driver of the vehicle 353 can predict that the bicycle 354 or the like enters the intersection 352 by blinking display or the like of the temporary stop on the display means, and performs a brake operation to avoid a collision accident. . In addition, the person riding the bicycle 354 can see the vehicle 3 at the intersection 352 by the blinking display of the indicator light of the sign post 361 or the warning sound.
53 can be predicted to enter, and a brake operation is performed to avoid a collision accident. Thus, a warning is issued to both the bicycle 354 and the vehicle 353, so that the effect of preventing traffic accidents is improved. Note that the other sign posts 364 to 366 also have an intersection 352 as described above.
Operates to prevent collisions at

In order to prevent traffic accidents or reduce traffic accidents, it is necessary to provide information required by the driver in advance. Further, since the vehicle is running at a high speed, it is important that the provided information can be recognized in a short time. An example of a display method capable of recognizing provided information in a short time will be described with reference to FIGS. In addition,
Road information received by the receiving device of the vehicle (preferably transmitted in the form of a code indicating display information to be displayed on the display means)
Is displayed in the display mode set by the mode setting means. Further, in the present invention, it is necessary to delete the road information at any time in order to receive road information ahead of the traveling direction of the vehicle. The received road information can be erased automatically after holding it for a certain period of time, automatically deleting it after displaying it on the display for a certain period of time, deleting it after a confirmation operation has been performed, Various methods can be adopted, such as automatically deleting when a message is received or displayed. The erasing method may be fixed or may be switchable by a switching unit.

FIGS. 22 to 25 show examples in which the road information of the front intersection and the road information after the front intersection are displayed vertically, and the number of lanes and the route information of the arrow are displayed separately on the left and right. Note that an upper / lower boundary line 401 is displayed at the upper / lower boundary, and a left / right partition line 402 is displayed at the left / right boundary. You can also. FIG. 22 shows that the current number of lanes is 2, that a right intersection is prohibited at a front intersection, and that the number of lanes is 2 after passing a front intersection, and that right and left turns are prohibited. Accordingly, the driver can recognize in advance that a right turn is prohibited in front of the intersection, and can prevent a contact accident or the like at the intersection. At this time, in order to warn that a right turn is prohibited at the front intersection, it is preferable that, for example, a bold line 403 beside the right lane be blinked and highlighted. FIG. 23 shows that the current number of lanes is 2, that the right lane is a right turn lane at the front intersection, and that the lane is one lane after passing the front intersection, and that the right lane cannot go straight. . Thereby, the driver can recognize in advance that the vehicle will be one lane on one side after passing the front intersection and cannot go straight on in the right lane, and it is possible to prevent a contact accident or the like in front of the lane change zone. . At this time, the right lane is preferably highlighted to warn that the vehicle cannot go straight ahead. For example, a bold line 405 above the right lane and an arrow 406 indicating the oncoming lane are blinked. FIG. 24 shows that the current number of lanes is 1, that the front intersection can only be turned right or left, and that the number of lanes is 0 after the front intersection, and that the vehicle cannot go straight. As a result, the driver can recognize in advance that there is a dead end ahead, and can prevent a rush accident or a fall accident at the time of rain, at the time of fog, at midnight, or the like. At this time, it is preferable to highlight the warning to warn that the front intersection has reached a dead end.
For example, the display 410 indicating entry prohibition is blinked.
FIG. 25 shows that the current number of lanes is 1, that right and left turns are prohibited to the front intersection, and that the number of lanes is 2 after the front intersection, and that there is a Y-shaped intersection. . At this time, it is preferable to highlight the display to warn that there is a Y-shaped intersection after passing the front intersection.
For example, an arrow 415 indicating a Y-shaped intersection is blinked.

When a vehicle travels at an intersection or the like, the driver determines the traveling direction in order to determine the name, destination,
It is necessary to know the names of places near the intersection. FIG. 26 indicates that if the vehicle goes straight ahead at the intersection, it is Route 1; if it turns right, it is Route 38; if it turns left, it is City Road 24. Figure 27 shows Ginza 2 on the right side of the front intersection
Ginza 4-chome is shown on the left side, Ginza 4-chome is shown on the right rear, and Ginza 3-chome is shown on the left rear. FIG.
The name of the place to the right of the front intersection is Ogawa-machi, the place to the left is Shinmachi 4-chome, the place to the right rear is Tanaka-machi, and the place to the left rear is Shinmachi 5-chome. In this case, the cross mark 420 indicates the traveling direction of the vehicle, such as straight ahead, right turn, left turn, and the like, and the place name corresponding to the traveling direction is displayed. For example, in the case of going straight, the upper cross mark 420 blinks and is displayed as shown in FIG. 28, and when the winker lever is operated in the right turn direction,
The right cross mark 420 blinks, and the place name displayed in FIG. 28 is rotated 90 degrees to the right, and the place name in a state where the intersection ahead is turned right is displayed. FIG. 29 shows the exit direction of the front interchange on the expressway and the place names around the exit, and FIG. 30 shows the traveling direction, the name of the road and the destination at the intersection at the front. This figure 2
The display method of FIGS. 9 and 30 is the same as the display method of the road sign. It is to be noted that, instead of the display method of FIG. 29, a display method in which each lane and destination information of each lane are indicated together as shown in FIG. 34 can be used.

FIG. 31 shows that it is prohibited to turn right at the front intersection all day. In this case, in order to warn the driver of right turn prohibition, it is preferable to highlight right turn prohibition characters and the like by blinking display or the like. FIG. 32 shows that road construction is being performed in front, that the construction section cannot go straight, and that it is necessary to make a right or left turn to detour, and that the road construction period is until April 10. It is.
At this time, in order to warn the driver of the forward construction, it is preferable to highlight the forward construction by flashing or the like.
FIG. 33 shows a display method on a road having a relatively large traffic volume and a high traveling speed of a vehicle, such as an expressway or a main arterial road, in which the inter-vehicle time with the preceding vehicle is 5 seconds,
It indicates that the distance between the vehicle and the preceding vehicle is about 120 meters, and that there is a junction one kilometer away. In this case, it is preferable that the display method can be switched to a display method in which the travel lane and the destination information are shown together as shown in FIG. 34 by touching or scrolling the screen. 35 and 36 show examples in which display information is sequentially switched on the same display screen. In this case, by switching the road information transmitted from the transmission device by the network system, the display position on the display screen is switched to a position such as caution, slowing, deceleration, or the like. In the case where the stop display is emphasized on the display means, the kanji of "stop" and the hiragana of "tore" shown in FIG. FIG. 37 shows contact information and the like at the time of abnormality at the current location. FIG.
FIG. 8 and FIG. 39 show examples of display information stored in advance in the receiving device on the vehicle side, and a code signal designating the display information is transmitted from the transmitting device.

As described above, since road facilities such as protective blocks, protective bodies, and sign posts are installed in places where there is a high risk of traffic accidents, that is, in places where necessary information should be provided to drivers, By providing a transmission device in a road facility such as a protection block, a protection body, or a sign post, the transmission device can be installed in a place where road information is required. By providing the transmission device in a road facility such as a protection block, a protection body, and a sign post, the number of obstacles on the road does not increase. In addition, in order to transmit the road information ahead of the vehicle traveling direction where the road facilities such as each protective block, protective body, sign post, etc. are installed and provide it to the driver of the vehicle, recognition capability and recognition time are required. The road information can be easily recognized in a short time without performing.

It should be noted that a plurality of pieces of road information ahead of the vehicle in the vehicle traveling direction at each installation location may be transmitted from the protection block, the protection body, and the transmitter provided on the sign post installed along the road. By setting and operating the mode setting means, the order of the road information to be output from the display means or the sound output means can be selected. For example, a mode in which the place name is output with priority, a mode in which the display of the distance between the vehicle and the preceding vehicle is displayed with priority is output, and the like. Note that a mode in which only specific road information is output may be set. In such a case, for example, road information including a code indicating the type of road information is transmitted, and the road information is determined and output based on the code indicating the road information. Also, by setting the switching means, it is possible to switch to a mode in which the display means and the audio output means are operated, a mode in which only the display means is operated, a mode in which only the audio output means is operated, and the like. In addition, although the road information transmitted from each transmission device is set by the ROM card or the input means, each transmission device is connected to the central management device, and the road information is transmitted from the central management device to each transmission device and set. You may comprise. The means for outputting the road information is not limited to the display means or the sound output means. The road facility provided with the transmission device is not limited to a protection block, a protection body, and a sign post as long as it is installed at a place where road information is required. In addition, the protection block provided with the transmission device, the protection body, the installation position and the number of sign posts, the network configuration method, and the like can be variously changed.

[0042]

As described above, by using the road information providing system according to the first aspect, the information necessary for preventing a traffic accident can be obtained at a necessary time with a simple configuration at a low cost. Can be provided to the driver in various forms. Also,
By using the road information providing system according to the second aspect, it is possible to provide the driver with road information relating to the time between the vehicle and the preceding vehicle, which is necessary for preventing a traffic accident, at a low cost with a simple configuration. In addition, if the road information providing system according to the third aspect is used, traffic congestion information necessary for preventing a traffic accident can be provided to the driver at an early stage. Also, if the road information providing system according to claims 4 to 6 is used,
No more obstacles on the road. Further, if the road information providing system according to claim 7 is used, it is possible to provide the driver with appropriate road information according to the weather. In addition, by using the road information providing system described in claim 8, it is possible to provide the driver with appropriate road information according to the time zone. Further, by using the road information providing system according to the ninth aspect, it is possible to notify the driver of the occurrence of a vehicle accident or the like at an early stage. Further, the use of the road information providing system according to claim 10 can prevent a collision accident at an intersection or the like. In addition, if the road information providing system according to claim 11 is used, road information required by the driver can be preferentially output.

[Brief description of the drawings]

FIG. 1 is a perspective view of a protection block as viewed from the rear.

FIG. 2 is a side view of the protection block.

FIG. 3 is a sectional view of a block alone.

FIG. 4 is a schematic diagram of a transmission device.

FIG. 5 is a schematic diagram of a receiving device.

FIG. 6 is a diagram illustrating a transmission area of a transmission device and an attachment position of an antenna of the reception device.

FIG. 7 is a perspective view of a protection body.

FIG. 8 is a perspective view of an intermediate block.

FIG. 9 is a perspective view of a base block.

FIG. 10 is a perspective view of a storage box.

FIG. 11 is a schematic view of a sign post.

FIG. 12 is a view showing a state where the sign post is bent.

FIG. 13 is a schematic view of a body member.

FIG. 14 is a cross-sectional view of the uppermost body member.

FIG. 15 is an electric circuit diagram of the sign post.

FIG. 16 is a diagram for explaining the operation of the present invention.

FIG. 17 is a diagram for explaining the operation of the present invention.

FIG. 18 is a diagram for explaining the operation of the present invention.

FIG. 19 is a diagram for explaining the operation of the present invention.

FIG. 20 is a diagram for explaining the operation of the present invention.

FIG. 21 is a diagram for explaining the operation of the present invention.

FIG. 22 is an example of road information displayed on the display means.

FIG. 23 is an example of road information displayed on the display means.

FIG. 24 is an example of road information displayed on the display means.

FIG. 25 is an example of road information displayed on the display means.

FIG. 26 is an example of road information displayed on the display means.

FIG. 27 is an example of road information displayed on the display means.

FIG. 28 is an example of road information displayed on the display means.

FIG. 29 is an example of road information displayed on the display means.

FIG. 30 is an example of road information displayed on the display means.

FIG. 31 is an example of road information displayed on display means.

FIG. 32 is an example of road information displayed on the display means.

FIG. 33 is an example of road information displayed on the display means.

FIG. 34 is an example of road information displayed on the display means.

FIG. 35 is an example of road information displayed on the display means.

FIG. 36 is an example of road information displayed on the display means.

FIG. 37 is an example of road information displayed on the display means.

FIG. 38 is an example of road information displayed on the display means.

FIG. 39 is an example of road information displayed on the display means.

[Explanation of symbols]

 1 Protective block 60 Protective body 110 Sign post

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[Procedure amendment]

[Submission date] March 15, 1999

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0005

[Correction method] Change

[Correction contents]

[0005]

In order to solve the above-mentioned problems, the invention according to claim 1 is installed along a road,
A protective block configured by stacking a plurality of blocks each having a shock absorbing rib, a transmitting device for transmitting road information provided on the protective block, and road information mounted on a vehicle and transmitted from the transmitting device And a receiving device for receiving and outputting the road information, wherein the transmitting device is a road information providing system for transmitting road information ahead of the vehicle traveling direction from the installation point stored in advance. In addition, the invention according to claim 2 includes a protection body installed along a road and configured by stacking a plurality of intermediate blocks, a transmission device provided on the protection body for transmitting road information, and a vehicle. Mounted, comprising a receiving device that receives and outputs road information transmitted from the transmitting device, the intermediate block, a top plate portion, a spine portion vertically provided on the lower surface of the central portion of the top plate portion, And a wall projecting from the spine to the top panel in a connected state, and the transmitting device is a road information providing system for transmitting road information ahead of the vehicle traveling direction from an installation point stored in advance. . Further, the invention according to claim 3 is provided along a road, a sign post configured by stacking a plurality of body members by inserting them into flexible posts,
A transmitting device for transmitting road information provided on the sign post, and a receiving device mounted on a vehicle and receiving and outputting road information transmitted from the transmitting device, wherein the transmitting device is stored in advance. This is a road information providing system for transmitting road information ahead of the vehicle in the vehicle traveling direction from the installation location. By using the road information providing system according to claims 1 to 3, it is possible to provide information necessary for preventing a traffic accident at a necessary time and in a required form to a driver with a simple configuration at a low cost. Can be. In addition, the number of obstacles on the road does not increase. Further, the invention according to claim 4 transmits a protection block that is installed along a road and is configured by stacking a plurality of blocks having shock absorbing ribs alone, and road information provided in the protection block. A transmitting device, and a receiving device mounted on the vehicle and receiving and outputting road information transmitted from the transmitting device, wherein the transmitting device has vehicle detecting means, and the vehicle detecting means detects the vehicle. This is a road information providing system that transmits road information relating to the time between the vehicle and the preceding vehicle when the vehicle is driven. In addition, the invention according to claim 5 includes a protective body installed along a road and configured by stacking a plurality of intermediate blocks, a transmission device provided on the protective body for transmitting road information, and a vehicle. Mounted, comprising a receiving device that receives and outputs road information transmitted from the transmitting device, the intermediate block, a top plate portion, a spine portion vertically provided on the lower surface of the central portion of the top plate portion, , A wall extending from the spine to the top plate in a connected state,
The transmission device is a road information providing system that includes a vehicle detection unit and that transmits road information relating to an inter-vehicle time with a preceding vehicle when the vehicle detection unit detects a vehicle. According to a sixth aspect of the present invention, there is provided a sign post, which is installed along a road, and is formed by stacking a plurality of body members by inserting them into flexible posts, and a road provided on the sign post. A transmitting device for transmitting information, and a receiving device mounted on the vehicle and receiving and outputting road information transmitted from the transmitting device, wherein the transmitting device has a vehicle detecting means, and the vehicle detecting means Is a road information providing system for transmitting road information relating to the time between the vehicle and a preceding vehicle when a vehicle is detected. By using the road information providing system according to claims 4 to 6, it is possible to provide the driver with road information relating to the time between the vehicle and the preceding vehicle necessary to prevent a traffic accident at a low cost with a simple configuration. . According to a seventh aspect of the present invention, in the road information providing system according to the first to sixth aspects, the transmission device transmits road information according to the weather at the installation point. The use of the road information providing system according to claim 7 makes it possible to provide the driver with appropriate road information according to the weather. According to an eighth aspect of the present invention, in the road information providing system according to any one of the first to seventh aspects, the transmission device transmits road information according to a time zone. The use of the road information providing system according to claim 8 makes it possible to provide the driver with appropriate road information according to the time zone. A road information providing system according to a ninth aspect is provided in a road facility installed along a road and transmits a road information sequentially connected by a connection line, and a transmission device mounted on a vehicle and transmitting the road information. A receiving device that receives and outputs road information transmitted from the device, the transmitting device transmits road information ahead of the vehicle traveling direction from an installation point stored in advance, and disconnects the connection line. If detected, the road information is transmitted. With the use of the road information providing system according to the ninth aspect, the occurrence of a vehicle accident or the like can be immediately notified to a subsequent driver, a road control organization, and the like. The invention according to claim 10 is
A transmitting device for transmitting road information provided on road facilities installed along the road; and a receiving device mounted on the vehicle and receiving and outputting the road information transmitted from the transmitting device, the transmitting device comprising: The device transmits road information ahead of the vehicle traveling direction from the installation point stored in advance and outputs a signal to another transmitting device, and the other transmitting device outputs a road corresponding to the signal input from the transmitting device. It is a road information providing system for transmitting information. The use of the road information providing system according to the tenth aspect makes it possible to prevent a collision accident at an intersection or the like. Claim 1
According to the first aspect of the present invention, there is provided a transmitting device that transmits road information provided in a road facility installed along a road, and a receiving device that is mounted on a vehicle and receives and outputs road information transmitted from the transmitting device. A transmitting device, wherein the transmitting device transmits road information ahead of the vehicle traveling direction from an installation point stored in advance, and the receiving device outputs the received road information in a predetermined order in a road information providing system. is there. By using the road information providing system according to the eleventh aspect, information required by the driver can be preferentially output.

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0042

[Correction method] Change

[Correction contents]

[0042]

As described above, by using the road information providing system according to the first to third aspects, a simple configuration can be obtained.
The information necessary for preventing a traffic accident at low cost can be provided to the driver at the required time and in the required form. In addition, the number of obstacles on the road does not increase. Further, by using the road information providing system according to claims 4 to 6, it is possible to provide the driver with road information on the time between the vehicle and the preceding vehicle which is necessary to prevent a traffic accident at a low cost with a simple configuration. Can be. Also, there is no increase in obstacles on the road.
In addition, if the road information providing system according to claim 7 is used, appropriate road information according to the weather can be provided to the driver. In addition, by using the road information providing system described in claim 8, it is possible to provide the driver with appropriate road information according to the time zone. Further, by using the road information providing system according to the ninth aspect, the occurrence of a vehicle accident or the like can be immediately notified to a subsequent driver, a road control organization, and the like. Further, by using the road information providing system according to the tenth aspect, it is possible to prevent a collision accident at an intersection or the like. Further, if the road information providing system according to claim 11 is used, the information required by the driver can be output with priority. ────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] July 26, 1999

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0005

[Correction method] Change

[Correction contents]

[0005]

According to a first aspect of the present invention, there is provided a vehicle having a plurality of shock absorbing ribs installed along a road on which a traveling direction of a vehicle is determined. A protection block configured by stacking single blocks, a transmission device provided on the protection block for transmitting road information, and a reception device mounted on a vehicle and receiving and outputting road information transmitted from the transmission device The transmission device is a road information providing system that transmits road information ahead of the vehicle traveling direction from an installation point stored in advance. In addition, the invention according to claim 2 is provided along a road in which the traveling direction of the vehicle is determined, and a protection body formed by stacking a plurality of intermediate blocks, and road information provided on the protection body. And a receiving device mounted on the vehicle and receiving and outputting the road information transmitted from the transmitting device, the intermediate block includes a top plate portion and a central portion of the top plate portion. The transmitting device is constituted by a spine portion vertically provided on a lower surface and a wall portion extending from the spine portion to the top plate portion in a connected state, and the transmitting device stores road information ahead of the installation point in the vehicle traveling direction from a previously stored installation point. Is a road information providing system for transmitting the information. According to a third aspect of the present invention, there is provided a sign post installed along a road on which a traveling direction of a vehicle is determined, and configured by stacking a plurality of body members by inserting the plurality of body members into flexible posts. A transmitting device for transmitting road information provided on the sign post, and a receiving device mounted on a vehicle and receiving and outputting road information transmitted from the transmitting device, the transmitting device includes:
This is a road information providing system for transmitting road information ahead of a vehicle traveling direction from an installation point stored in advance. Claim 1
With the use of the road information providing systems described in (1) to (3), it is possible to provide a driver with necessary information at a necessary time and in a required form at a required time with a simple configuration at a low cost. In addition, the number of obstacles on the road does not increase. According to a fourth aspect of the present invention, there is provided a protection block which is installed along a road in which a traveling direction of a vehicle is determined and is configured by stacking a plurality of blocks each having a shock absorbing rib, and the protection block. A transmitting device for transmitting road information provided in the vehicle, and a receiving device mounted on the vehicle and receiving and outputting the road information transmitted from the transmitting device, wherein the transmitting device has vehicle detecting means. A road information providing system for transmitting road information relating to an inter-vehicle time with a preceding vehicle when the vehicle detecting means detects a vehicle. According to a fifth aspect of the present invention, there is provided a protection body which is installed along a road on which a traveling direction of a vehicle is determined, and is configured by stacking a plurality of intermediate blocks, and road information provided on the protection body. And a receiving device mounted on the vehicle and receiving and outputting the road information transmitted from the transmitting device, the intermediate block includes a top plate portion and a central portion of the top plate portion. The transmitting device has a vehicle detecting means, which is constituted by a spine part vertically provided on a lower surface and a wall part projecting from the spine part to the top plate part in a connected state, and the vehicle detecting means detects a vehicle. This is a road information providing system that transmits road information related to the time between vehicles with a preceding vehicle. Also,
The invention according to claim 6, wherein the sign post is provided along a road in which the traveling direction of the vehicle is determined, and is configured by stacking a plurality of body members by inserting them into flexible posts. A transmitting device for transmitting road information provided on a sign post, and a receiving device mounted on a vehicle and receiving and outputting road information transmitted from the transmitting device,
The transmission device is a road information providing system that includes a vehicle detection unit and that transmits road information relating to an inter-vehicle time with a preceding vehicle when the vehicle detection unit detects a vehicle. Claim 4
With the use of the road information providing system described in Nos. 6 to 6, it is possible to provide the driver with inexpensive road information on the inter-vehicle time required to prevent a traffic accident with a simple configuration. In addition, the invention described in claim 7 provides the invention according to claims 1 to 6
In the road information providing system, the transmitting device transmits road information according to the weather at the installation location. The use of the road information providing system according to claim 7 makes it possible to provide the driver with appropriate road information according to the weather.
According to an eighth aspect of the present invention, in the road information providing system according to any one of the first to seventh aspects, the transmission device transmits road information according to a time zone. The use of the road information providing system according to claim 8 makes it possible to provide the driver with appropriate road information according to the time zone. Further, a road information providing system according to claim 9 is provided in a road facility installed along a road on which a traveling direction of a vehicle is determined, and transmits a road information sequentially connected by a connecting line. And a receiving device mounted on the vehicle and receiving and outputting road information transmitted from the transmitting device, wherein the transmitting device transmits road information ahead of the vehicle traveling direction from the installation point stored in advance. When the disconnection of the connection line is detected, the road information is transmitted.
With the use of the road information providing system according to the ninth aspect, the occurrence of a vehicle accident or the like can be immediately notified to a subsequent driver, a road control organization, and the like. According to a tenth aspect of the present invention, there is provided a transmitting device for transmitting road information provided at a road facility installed along a road on which a traveling direction of a vehicle is determined, and the transmitting device mounted on the vehicle. And a receiving device for receiving and outputting the road information transmitted from the
The transmitting device transmits road information ahead of the vehicle traveling direction from the installation point stored in advance and outputs a signal to another transmitting device, and the other transmitting device responds to a signal input from the transmitting device. This is a road information providing system for transmitting road information. The use of the road information providing system according to the tenth aspect makes it possible to prevent a collision accident at an intersection or the like. The invention according to claim 11 is a transmission device for transmitting road information provided at a road facility installed along a road in which the traveling direction of the vehicle is determined, and the transmission device mounted on the vehicle. A receiving device that receives and outputs road information transmitted from the vehicle, the transmitting device transmits road information ahead of the vehicle traveling direction from an installation point stored in advance, and the receiving device
This is a road information providing system that outputs received road information in a predetermined order. By using the road information providing system according to the eleventh aspect, information required by the driver can be preferentially output.

Claims (11)

[Claims] 1. A transmitting device for transmitting road information provided at a road facility installed along a road, a receiving device mounted on a vehicle and receiving and outputting road information transmitted from the transmitting device. A road information providing system, wherein the transmitting device transmits road information ahead of the vehicle traveling direction from an installation point stored in advance. 2. A transmitting device provided at a road facility installed along a road and transmitting road information, and a receiving device mounted on a vehicle and receiving and outputting road information transmitted from the transmitting device. A road information providing system, wherein the transmitting device includes a vehicle detecting unit, and transmits road information relating to an inter-vehicle time to a preceding vehicle when the vehicle detecting unit detects a vehicle. 3. The road information providing system according to claim 2, wherein the transmitting device transmits road information indicating an abnormality to a succeeding vehicle when the vehicle detecting means continuously detects the vehicle for a predetermined time or more. . 4. The road information providing system according to claim 1, wherein the transmitting device is provided on a protection block. 5. The road information providing system according to claim 1, wherein the transmitting device is provided on a protective body. 6. The road information providing system according to claim 1, wherein the transmitting device is provided on a sign post. 7. The road information providing system according to claim 1, wherein the transmission device transmits road information according to weather at the installation location. 8. The road information providing system according to claim 1, wherein the transmitting device transmits road information according to a time zone. 9. The road information according to claim 1, wherein the transmission devices are sequentially connected by connection lines, and the transmission device transmits the road information when detecting disconnection of the connection lines. Delivery system. 10. The transmitting device transmits road information and outputs a signal to another transmitting device, and the other transmitting device transmits road information according to the signal input from the transmitting device. A road information providing system according to any one of claims 1 to 9. 11. The road information providing system according to claim 1, wherein the receiving device outputs the received road information in a predetermined order.