JPH11283171A - Required traveling time measuring instrument - Google Patents

Abstract

PROBLEM TO BE SOLVED: To highly accurately, easily and further inexpensively measure the traveling time required for a vehicle to travel in an object block. SOLUTION: Concerning the required traveling time measuring instrument for measuring the time required for the vehicle to travel between interchanges on a road having the plural interchanges, this instrument is provided with a vehicle data transmitting means 1 for transmitting arbitrary data concerning the vehicle so as to specify the relevant vehicle while being loaded on the vehicle, a vehicle data receiving means 2 respectively installed at the entrance and exit of each interchange to be the object of required traveling time measurement for receiving the vehicle data transmitted from the vehicle data transmitting means 1, and a required traveling time calculating means 3 for calculating the time required for the travel between the respective interchanges based on the vehicle data respectively received from the respective vehicle data receiving means 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used in, for example, a traffic control system, and is a traveling time measuring device for measuring the time required for a traveling vehicle (hereinafter simply referred to as a vehicle) to travel in a target section on a road. More particularly, the present invention relates to a travel time measuring device capable of easily and inexpensively measuring a travel time required.

[0002]

2. Description of the Related Art Heretofore, as a traveling time measuring device for measuring or estimating the traveling time of a vehicle traveling on a route, for example, the following system has been used.

(A) The travel time is measured by measuring the speed of a vehicle with a vehicle sensing device installed in a target section for which the travel time is to be measured, and dividing the distance of the target section by the measured speed. The method of measuring.

(B) A method of measuring the required travel time by AVI systems installed at both ends of a target section for which the required travel time is to be measured. The AVI system is a system that measures the required traveling time by recognizing and checking the vehicle number at the entrance and exit of a target section by image recognition.

(C) A method in which a test vehicle is actually driven and the required travel time is measured.

[0006]

However, the above prior art has the following problems.

(A) In the travel time measuring device of the above method (a), a vehicle sensing device indispensable for applying this method is currently installed only on some expressways,
It is not installed on most roads. In addition, since the vehicle speed varies depending on the measurement point, it is not possible to obtain an accurate traveling time.

(B) In the travel time measuring apparatus of the above method (b), an AVI system indispensable for applying the present method is currently installed only in an extremely limited section, and is mostly provided. It is not installed on the highway. In addition, since the AVI system performs image recognition, an error may occur in number reading in bad weather.

(C) In the travel time measuring device of the above-mentioned method (c), it takes time and effort to travel the test vehicle, so that it is difficult to measure the travel time in various time zones and routes. In addition, costs such as labor costs increase.

It is an object of the present invention to provide a travel time measuring device capable of measuring the travel time required when a vehicle travels in a target section with high accuracy, easily and at low cost. .

[0011]

In order to achieve the above object, the present invention provides a travel time measuring device for measuring the time required for a vehicle to travel between interchanges on a road having a plurality of interchanges. A vehicle data transmitting unit mounted on the vehicle and transmitting at least any data relating to the vehicle capable of identifying the vehicle, and a vehicle installed at an entrance and an exit of each interchange to be measured for the required traveling time, Vehicle data receiving means for receiving vehicle data transmitted from the data transmitting means, and travel time calculating means for calculating a time required for travel between interchanges based on vehicle data respectively received by the vehicle data receiving means And

Therefore, in the travel time measuring device of the present invention, arbitrary vehicle data transmitted from the vehicle data transmitting means mounted on the vehicle and capable of specifying the vehicle is set as an object of travel time measurement. By receiving the vehicle data receiving means installed at the entrance and the exit of each interchange, and using these vehicle data, the travel time calculating means calculates the time required for traveling between the interchanges In addition, it is possible to measure the required travel time between interchanges with high accuracy.

[0013] Further, A
The required travel time can be reliably and accurately measured without a reading error as in the VI system.

Further, in addition to data for specifying (identifying) a vehicle, arbitrary data on the vehicle such as a vehicle type, an engine type, and a displacement can be obtained, so that it can be used for various purposes. .

According to another aspect of the present invention, in addition to the vehicle data transmitting means and the vehicle data receiving means, an entrance and an exit of a predetermined area such as a service area existing between interchanges to be measured for required traveling time are respectively provided. A vehicle data receiving unit is provided and receives vehicle data transmitted from the vehicle data transmitting unit.

Therefore, in the travel time measuring device of the present invention, in addition to having the same effect as the above-mentioned invention,
Even when the vehicle uses a predetermined area such as a service area or a parking area, the travel time between each interchange can be measured with higher accuracy by subtracting the use time.

Further, not only the required travel time but also the use status of a predetermined area such as a service area and a parking area can be accurately grasped and reflected on services and the like.

Further, in another invention, in addition to the vehicle data transmitting means and the vehicle data receiving means, the vehicle data transmitting means and the vehicle data receiving means are installed on a route between interchanges to be measured for required traveling time and transmitted from the vehicle data transmitting means. Vehicle data receiving means for receiving vehicle data is provided.

Therefore, in the travel time measuring device of the present invention, in addition to having the same effect as the above-mentioned invention,
Not only between each interchange, but also the travel time from the interchange to the point where the vehicle data receiving means is installed, the travel time from the point where the vehicle data receiving means is installed to the interchange, or the vehicle data receiving means The required travel time between the points can be measured.

In particular, when the distance between interchanges is long and it is desired to measure the required travel time in a divided section,
If you want to measure the travel time of a specific section,
The present invention is extremely effective.

Further, since the vehicle data receiving means is provided not only at the interchange but also on the route, when the actual traveling speed value is added to the vehicle data, not only the required traveling time but also the speed violation check can be performed. Can be used.

On the other hand, in a traveling time measuring device for measuring the time required for a vehicle to travel on a target section on a road on a general road, in the present invention, the traveling time measuring device is mounted on the vehicle and at least the vehicle is specified. Vehicle data transmitting means for transmitting arbitrary data relating to a possible vehicle, and vehicle data receiving means for receiving vehicle data transmitted from the vehicle data transmitting means, the vehicle data transmitting means being installed at both ends of a target section to be measured for required travel time And a travel time calculating means for calculating a time required for traveling in a target section for which the travel time is to be measured based on the vehicle data received by each vehicle data receiving means.

Therefore, in the travel time measuring device of the present invention, any vehicle data transmitted from the vehicle data transmitting means mounted on the vehicle and capable of specifying the vehicle is determined as the travel time measurement target. By receiving the vehicle data receiving means installed at both ends of the target section, and calculating the time required for traveling in the target section by the required travel time calculating means using these vehicle data, the target section Can be measured with high accuracy.

Also, A is obtained by the above-described number image recognition.
The required travel time can be reliably and accurately measured without a reading error as in the VI system.

Furthermore, in addition to data for identifying (identifying) a vehicle, arbitrary data on the vehicle such as a vehicle type, an engine type, a displacement, etc. can be obtained, so that it can be used for various purposes. .

Further, by installing the vehicle data receiving means on the route, when the actual running speed value is added to the vehicle data, it can be utilized not only for measuring the required traveling time but also for checking a speed violation. it can.

According to another aspect of the invention, in addition to the vehicle data transmitting means and the vehicle data receiving means, a vehicle which is installed on a route of a target section for which the required travel time is measured and transmitted from the vehicle data transmitting means is provided. Vehicle data receiving means for receiving data is provided.

Therefore, in the travel time measuring device of the present invention, in addition to having the same operation as the above-mentioned invention,
Further, since the vehicle data receiving means is also provided on the target section, the section can be divided and the required travel time can be measured.

Further, traffic conditions on roads (traffic jams, etc.)
Since the time travels with time, dividing the section and measuring the required travel time is extremely effective in grasping the traffic condition and predicting the required travel time in the future.

[0030]

Embodiments of the present invention will be described below in detail with reference to the drawings.

(First Embodiment: Corresponding to Claim 1) FIG. 1 is a schematic diagram showing an example of the configuration of a travel time measuring apparatus according to the present embodiment.

That is, as shown in FIG. 1, the traveling time measuring device according to the present embodiment comprises a vehicle data transmitting means 1.
And vehicle data receiving means 2 and travel time calculating means 3
It is composed of

The vehicle data transmitting means 1 is mounted on the vehicle and transmits at least any data relating to the vehicle capable of specifying the vehicle.

The vehicle data receiving means 2 is installed at the entrance and the exit of each of the interchanges A, B and C for which the required travel time is measured, and receives the vehicle data transmitted from the vehicle data transmitting means 1.

The required travel time calculation means 3 calculates the time required for travel between interchanges based on the vehicle data received by each vehicle data receiving means 2.

On the other hand, the data to be transmitted may be arbitrarily set according to the purpose of use using the measured travel time in addition to the data capable of specifying the vehicle (for example, the number of the vehicle). Vehicle data (for example, data including vehicle type, data including engine type, and data including engine displacement,
(Preferably at least one piece of data).

The vehicle data transmitting means 1 is, for example,
A setting unit that can arbitrarily set vehicle data to be transmitted according to a purpose of use, and a signal multiplexing unit that performs time division multiplexing to carry at least one data signal set by the setting unit by a common carrier. And a wireless transmitter for wirelessly transmitting the signal multiplexed by the signal multiplexing unit.

Further, the vehicle data receiving means 2 includes, for example, a radio receiver for receiving a multiplex signal wirelessly transmitted by the radio transmitter, and separates the multiplex signal received by the radio receiver into respective data signals. And a receiving unit that receives each data signal separated by the signal separating unit as the vehicle data, and a storage unit that stores the vehicle data received by the receiving unit.

Next, the operation of the travel time measuring apparatus according to the present embodiment configured as described above will be described.

In FIG. 1, a vehicle data transmitting means 1 mounted on a vehicle transmits arbitrary vehicle data capable of identifying the vehicle and arbitrary vehicle data set according to the purpose of use as necessary. Is transmitted, and arbitrary vehicle data transmitted from the vehicle data transmission means 1 includes each of the interchanges A, B, and C for which the required travel time is measured.
At the entrance and the exit of the vehicle.

Further, the required travel time calculating means 3 calculates the time required for traveling between the interchanges A, B and C based on the vehicle data received by the respective vehicle data receiving means 2.

Thus, each interchange A, B,
The travel time required between C can be measured with high accuracy.

That is, FIG. 1 shows a case where the travel time from interchange A to interchange C is measured.

First, when a vehicle enters the interchange A, the identification number of the vehicle is received through the vehicle data receiving means 2 and stored together with the time.

Thereafter, the vehicle data obtained by the vehicle data receiving means 2 at the exits of the interchanges A and C are collated, and the time at which the vehicle having the same identification number exits the interchange C is subtracted from the time at which the vehicle enters the interchange A. Thereby, the travel time between both interchanges A and C can be accurately measured.

The vehicle data at the entrances and exits of the interchanges A and C may be collated on-line at any time, or all data may be stored and conducted off-line.

On the other hand, by transmitting various types of vehicle data relating to the following vehicles, which can be arbitrarily set according to the purpose of use, in addition to the above-mentioned vehicle identification numbers,
The corresponding data can also be accurately measured.

(A) Data including vehicle type For example, the vehicle is classified into a normal vehicle, a medium-sized vehicle, a light / motorcycle, a large vehicle, an oversized vehicle, and the like. Even under the same traffic conditions, the required travel time differs for each vehicle type.

That is, for example, the traveling time of a motorcycle is hardly affected by traffic jams. In addition, since the oversized vehicle has a low traveling speed, the traveling time is long.

Therefore, when providing the measured travel time or estimating the travel time using the actual value of the travel time, it is extremely effective to classify according to the vehicle type.

(B) Data including engine type and displacement The components and amounts of pollutants emitted from a vehicle depend on the type of engine (gasoline, diesel, etc.), displacement, etc. of the vehicle.

Therefore, when the vehicle data is used for road tunnel ventilation control or the like, the type of engine, the displacement, and the like are extremely effective.

As described above, in the travel time measuring device of the present embodiment, a plurality of interchanges A, B, C
Vehicles on interchange A,
The travel time required for traveling between B and C can be measured with high accuracy.

The above-mentioned A by the image recognition of the number
It is possible to reliably and accurately measure the required traveling time without a reading error as in the VI system.

Further, in addition to data for identifying (identifying) a vehicle, arbitrary data on the vehicle such as a vehicle type, an engine type, and a displacement can be obtained, so that it can be used for various purposes. Becomes

(Second Embodiment: Corresponding to Claim 2) FIG. 2 is a schematic diagram showing an example of the configuration of a travel time measuring device according to the present embodiment. The description thereof is omitted, and only different parts will be described here.

That is, as shown in FIG. 2, the travel time measuring apparatus according to the present embodiment uses a predetermined area (for example, a service area) existing between the interchanges A and C for which the travel time is measured in FIG. Vehicle data receiving means 2 for receiving the vehicle data transmitted from the vehicle data transmitting means 1 at the entrance and the exit of an area, a parking area, etc.).

Next, the operation of the travel time measuring apparatus according to the present embodiment configured as described above will be described.

In FIG. 2, from the vehicle data transmitting means 1 mounted on the vehicle, arbitrary vehicle data capable of specifying the vehicle and arbitrary vehicle data set according to the purpose of use as required The vehicle data transmitted from the vehicle data transmitting means 1 includes an entrance and an exit of each of the interchanges A and C whose traveling time is to be measured, and a service area existing between the interchanges A and C. The vehicle data is received by the vehicle data receiving means 2 installed at the entrance and the exit of the SA.

Further, the required travel time calculating means 3 calculates the time required for traveling between the interchanges A and C based on the vehicle data received by the respective vehicle data receiving means 2.

Thus, the required travel time between the interchanges A and C can be measured with high accuracy.

That is, FIG. 2 shows a case where the travel time from interchange A to interchange C is measured.

First, when a vehicle enters the interchange A, the identification number of the vehicle is received through the vehicle data receiving means 2 and stored together with the time.

Thereafter, the vehicle data obtained by the vehicle data receiving means 2 at the entrance and exit of the service area SA and the exits of the interchanges A and C are collated.

Here, when the vehicle does not use the service area SA, similarly to the first embodiment,
By subtracting the time when the vehicle having the same identification number exits the interchange C from the time when the vehicle enters the interchange A, it is possible to accurately measure the required travel time between the interchanges A and C.

On the other hand, when the vehicle uses the service area SA, the time when the service area SA is used is further subtracted by using the vehicle data received by the vehicle data receiving means 2 at the entrance and exit of the service area SA.
The time required for traveling from interchange A to interchange C can be accurately measured.

The travel time measured in the present invention is:
It is provided to the user who uses the road or serves as a guideline for predicting the required travel time in the future. However, since the traffic conditions vary greatly depending on the time zone, in the case of this embodiment,
It is preferable to separately store the time required for traveling from the interchange A to the service area SA and the time required for traveling from the service area SA to the interchange C.

Further, the collation of the vehicle data at the entrances and exits of the interchanges A and C and the entrance and exit of the service area SA may be performed at any time online, as in the first embodiment, or all data may be stored and stored offline. It may be performed.

As described above, in the travel time measuring apparatus according to the present embodiment, the vehicle travels between the interchanges A and C on a road having a plurality of interchanges A and C, as in the first embodiment. The traveling time required for traveling can be measured with high accuracy.

In this case, even when the vehicle uses the service area SA, the time required for travel between the interchanges A and C can be measured with higher accuracy by subtracting the use time. Becomes

Further, not only the required travel time but also the use status of the service area SA can be accurately grasped, which can be reflected on services and the like.

(Third Embodiment: Corresponding to Claim 3) FIG. 3 is a schematic diagram showing an example of the configuration of a travel time measuring device according to the present embodiment. The description thereof is omitted, and only different parts will be described here.

That is, as shown in FIG. 3, the travel time measuring device of the present embodiment is provided at the point D on the route between the interchanges A and C, which are the targets of the travel time measurement in FIG. The vehicle data receiving means 2 for receiving the vehicle data transmitted from the vehicle data transmitting means 1 is provided.

Next, the operation of the travel time measuring apparatus according to the present embodiment configured as described above will be described.

In FIG. 3, from the vehicle data transmitting means 1 mounted on the vehicle, arbitrary vehicle data capable of specifying the vehicle and arbitrary vehicle data set according to the purpose of use as required The vehicle data transmitted from the vehicle data transmitting means 1 includes an entrance and an exit of each of the interchanges A and C whose traveling time is to be measured, and D on the route between the interchanges A and C. The data is received by the vehicle data receiving means 2 installed at each point.

Further, the required travel time calculating means 3 calculates the time required for traveling between the interchanges A and C based on the vehicle data received by the respective vehicle data receiving means 2.

As a result, the required travel time between the interchanges A and C can be measured with high accuracy.

That is, FIG. 3 shows a case where the travel time from the interchange A to the point D on the route and the travel time from the point D to the interchange C are measured.

First, when a certain vehicle enters the interchange A, the identification number of the vehicle is received through the vehicle data receiving means 2 and stored together with the time.

Thereafter, by comparing the point D on the route and the vehicle data obtained by the vehicle data receiving means 2 at the exits of the interchanges A and C, not only between the interchanges A and C but also from the interchange A Up to point D and from point D to interchange C
It is possible to measure the time required for traveling until.

The vehicle data collation at the point D and at the exits of the interchanges A and C may be performed on-line at any time, as in the first embodiment, or may be performed offline by storing all data. You may do so.

In this embodiment, it is also effective to add the actual traveling speed value as vehicle data.

That is, in the present embodiment, the vehicle data receiving means 2 is installed not only on the interchanges A and C but also on the route. It can be used not only for measurement, but also for speeding checks.

As described above, in the travel time measuring apparatus of the present embodiment, the travel time from the interchange A to the point D where the vehicle data receiving means 2 is installed, as well as between the interchanges A and C, In addition, it is possible to measure the required travel time from the point D where the vehicle data receiving means 2 is installed to the interchange C or the required travel time between the points where the vehicle data receiving means 2 is installed.

In particular, the present embodiment is extremely useful when the distance between the interchanges A and C is long and it is desired to measure the required travel time of a divided section or to measure the required travel time of a specific section. Becomes effective.

Further, since the vehicle data receiving means 2 is installed not only on the interchanges A and C but also on the route, when the actual traveling speed value is added to the vehicle data, not only the required traveling time but also the speed violation is measured. It can be used for checking.

(Fourth Embodiment: Corresponding to Claim 4) FIG. 4 is a schematic diagram showing an example of the configuration of a travel time measuring device according to the present embodiment. Are denoted by the same reference numerals.

In this embodiment, the target route for measuring the required travel time is not a road having a plurality of interchanges, but a general road.

That is, as shown in FIG. 4, the traveling time measuring device according to the present embodiment employs the vehicle data transmitting means 1.
And vehicle data receiving means 2 and travel time calculating means 3
It is composed of

The vehicle data transmitting means 1 is mounted on the vehicle and transmits at least any data relating to the vehicle capable of specifying the vehicle.

The vehicle data receiving means 2 is installed at each end of the target section for measuring the required traveling time, and receives the vehicle data transmitted from the vehicle data transmitting means 1.

The required travel time calculating means 3 calculates the time required for traveling in the target section for which the required travel time is to be measured, based on the vehicle data received by each vehicle data receiving means 2.

The data to be transmitted is the same as in the first to third embodiments.

Further, the configurations of the vehicle data transmitting means 1 and the vehicle data receiving means 2 are also the same as those of the first to third embodiments.
This is the same as the respective embodiments.

Next, the operation of the travel time measuring apparatus according to the present embodiment configured as described above will be described.

In FIG. 4, from vehicle data transmitting means 1 mounted on the vehicle, arbitrary vehicle data capable of specifying the vehicle and arbitrary vehicle data set according to the purpose of use as required Is transmitted, and arbitrary vehicle data transmitted from the vehicle data transmitting means 1 is received by the vehicle data receiving means 2 installed at both ends of the target section for which the required travel time is measured.

Further, the required travel time calculating means 3 calculates the time required for traveling in the target section for which the required travel time is to be measured, based on the vehicle data received by each vehicle data receiving means 2. .

Thus, the required travel time between both ends of the target section for which the required travel time is measured can be measured with high accuracy.

That is, first, when a certain vehicle enters one end of the target section for which the required travel time is measured, the identification number of the vehicle is received through the vehicle data receiving means 2 and stored together with the time.

Thereafter, the vehicle data obtained by the vehicle data receiving means 2 at both ends of the target section for which the required travel time is to be measured are collated, and vehicles having the same identification number are compared with the target section for which the required travel time is to be measured. Accurately measure the travel time between the target sections for which the travel time is to be measured by subtracting the time at which one end of the target section for which the travel time is to be measured is subtracted from the time at which the other end is left. Can be.

The vehicle data at one end and the other end of the target section for which the required travel time is measured may be collated at any time online, or may be stored offline with all data stored. .

In addition to the above-mentioned vehicle identification numbers, various types of vehicle data relating to the following vehicles that can be arbitrarily set according to the purpose of use are transmitted.
As in the first to third embodiments, the data corresponding to the first to third embodiments can also be accurately measured.

As described above, in the travel time measuring device of the present embodiment, the travel time between both ends of the target section for which the travel time is preset is measured on a general road with high accuracy. It is possible to do.

Further, since the vehicle data receiving means 2 is installed on the route, when the actual traveling speed value is added to the vehicle data, it can be used not only for measuring the required traveling time but also for checking a speed violation. Becomes

In addition, the same effects as those of the first embodiment can be obtained.

(Fifth Embodiment: Corresponding to Claim 5) FIG. 5 is a schematic diagram showing an example of the configuration of a travel time measuring device according to the present embodiment. The description thereof is omitted, and only different parts will be described here.

That is, as shown in FIG. 5, the traveling time measuring apparatus according to the present embodiment transmits the vehicle data transmitting means to a point E on the route of the target section for which the traveling time is to be measured in FIG. 1 is provided with a vehicle data receiving means 2 for receiving vehicle data transmitted from the vehicle data receiving device 1.

Next, the operation of the traveling time measuring apparatus according to the present embodiment configured as described above will be described.

In FIG. 5, from the vehicle data transmitting means 1 mounted on the vehicle, arbitrary vehicle data capable of specifying the vehicle, and optional vehicle data set according to the purpose of use as required. Is transmitted. The vehicle data transmitted from the vehicle data transmitting means 1 includes the vehicle data received at both ends of the target section for which the required travel time is to be measured and at the point E on the route of the target section. Received by means 2.

Further, the required travel time calculating means 3 calculates the time required for traveling in the target section for which the required travel time is to be measured, based on the vehicle data received by each vehicle data receiving means 2. .

Thus, the required travel time between both ends of the target section for which the required travel time is to be measured can be measured with high accuracy.

That is, FIG. 5 shows the travel required from one end of the target section for which the required travel time is measured to the point E on the route, and from the point E to the other end of the target section for which the required travel time is measured. The case where time is measured is shown.

First, when a certain vehicle enters one end of the target section for which the required travel time is to be measured, the identification number of the vehicle is received through the vehicle data receiving means 2 and stored together with the time.

Thereafter, the vehicle data obtained by the vehicle data receiving means 2 at both ends of the point E on the route and the target section for which the required travel time is measured is collated,
Not only between the two ends of the target section for which the required travel time is measured, but also from one end of the target section for which the required travel time is measured to the point E on the route, and from the point E, the target for which the required travel time is measured The required travel time to the other end of the section can be measured.

Note that the collation of the vehicle data at the point E and at both ends of the target section for which the required travel time is to be measured may be performed on-line at any time, as in the fourth embodiment. All may be stored and performed offline.

As described above, in the travel time measuring apparatus according to the present embodiment, similarly to the fourth embodiment, even on a general road, the target section for which the travel time is preset is measured. , It is possible to measure the required travel time between both ends with high accuracy.

Further, since the vehicle data receiving means 2 is also provided on the route of the target section for which the required travel time is to be measured, the required travel time can be measured by dividing the target section.

That is, since traffic conditions (traffic jams, etc.) on general roads propagate with time, measuring the required travel time by dividing the target section can be used to grasp the traffic conditions and to determine future travel requirements. It is extremely effective in estimating time.

In addition, the same effects as in the fourth embodiment can be obtained.

[0120]

As described above, according to the travel time measuring apparatus of the present invention, it is possible to accurately measure the time required for a vehicle to travel between interchanges on a road having a plurality of interchanges. Becomes possible.

At this time, even when the vehicle uses a predetermined area such as a service area, it is possible to measure the traveling time between interchanges with higher accuracy.

Further, not only the required travel time but also the use status of a predetermined area such as a service area can be accurately grasped, which can be reflected on services and the like.

On the other hand, A by the above-described number image recognition
It is possible to reliably and accurately measure the required traveling time without a reading error as in the VI system.

Further, in addition to information for identifying a vehicle, information on a vehicle type, an engine type, a displacement, and the like can be obtained, so that it can be used for various purposes.

Further, not only between the interchanges, but also the travel time from the interchange to the intermediate point between the interchanges, the travel time from this intermediate point to the interchange, or the travel time between the intermediate points between the interchanges Can be measured.

That is, it is extremely effective when the distance between interchanges is long and it is desired to measure the required travel time of a divided target section or to measure the required travel time of a specific target section.

Further, when the actual traveling speed value is added to the vehicle data, it can be used not only for measuring the required traveling time but also for checking a speed violation.

On the other hand, according to the required travel time measuring device of the present invention, it is possible to measure the required travel time of a preset target section with high accuracy even on a general road.

Further, it is possible to measure the required travel time by dividing the target section.

That is, since the traffic conditions (traffic jam etc.) on the road propagate with time, measuring the required travel time by dividing the target section makes it possible to grasp the traffic conditions and predict the required travel time in the future. It is extremely effective in doing so.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a first embodiment of a traveling time measuring device according to the present invention.

FIG. 2 is a schematic view showing a second embodiment of the travel time measuring device according to the present invention.

FIG. 3 is a schematic diagram showing a third embodiment of the traveling time measuring device according to the present invention.

FIG. 4 is a schematic view showing a fourth embodiment of the travel time measuring device according to the present invention.

FIG. 5 is a schematic view showing a fifth embodiment of a traveling time measuring device according to the present invention.

[Explanation of symbols]

 1 ... vehicle data transmission means, 2 ... vehicle data reception means, 3 ... required travel time calculation means.

Claims (5)

[Claims] 1. A traveling time measuring device for measuring a time required for a vehicle to travel between the interchanges on a road having a plurality of interchanges, the traveling time measuring device being mounted on the vehicle and capable of identifying at least the vehicle. Vehicle data transmitting means for transmitting arbitrary data relating to the vehicle, and installed at the entrance and the exit of each of the interchanges to be measured for the travel time, and receiving vehicle data transmitted from the vehicle data transmitting means. Vehicle data receiving means, and travel time calculating means for calculating a time required for running between the interchanges based on the vehicle data received by the vehicle data receiving means, respectively. Travel time measuring device. 2. A traveling time measuring device for measuring a time required for a vehicle to travel between the interchanges on a road having a plurality of interchanges, the traveling time measuring device being mounted on the vehicle and capable of identifying at least the vehicle. Vehicle data transmitting means for transmitting arbitrary data relating to a specific vehicle, an entrance and an exit of each of the interchanges to be measured for the required traveling time, and an entrance and an exit of a predetermined area such as a service area existing between the interchanges A vehicle data receiving unit installed in the vehicle data receiving unit for receiving vehicle data transmitted from the vehicle data transmitting unit; and a vehicle data receiving unit for traveling between the interchanges based on the vehicle data respectively received by the vehicle data receiving units. Required travel time calculating means for calculating the time, Drive elapsed time measuring apparatus characterized by Ete made. 3. A traveling time measuring device for measuring a time required for a vehicle to travel between the interchanges on a road having a plurality of interchanges, the traveling time measuring device being mounted on the vehicle and capable of identifying at least the vehicle. Vehicle data transmitting means for transmitting arbitrary data relating to a vehicle, an entrance and an exit of each of the interchanges to be measured for the traveling time, and a vehicle data transmitting means installed on a route between the interchanges, respectively. Vehicle data receiving means for receiving vehicle data transmitted from the vehicle data receiving means, based on the vehicle data received by each of the vehicle data receiving means, required travel time calculating means for calculating the time required to travel between each interchange, A travel time measuring device characterized by comprising: 4. A traveling time measuring device for measuring a time required for a vehicle to travel on a target section on the road on a general road, wherein the traveling time measuring device is mounted on the vehicle and can specify at least the vehicle. Vehicle data transmitting means for transmitting arbitrary data relating to the vehicle; vehicle data receiving means installed at both ends of a target section to be measured for the required travel time and receiving vehicle data transmitted from the vehicle data transmitting means And travel time calculating means for calculating a time required for traveling in a target section for which the travel time is to be measured, based on the vehicle data received by the vehicle data receiving means, respectively. A travel time measuring device characterized by the above-mentioned. 5. A traveling time measuring device for measuring a time required for a vehicle to travel on a target section on the road on a general road, wherein the traveling time measuring device is mounted on the vehicle and can specify at least the vehicle. Vehicle data transmission means for transmitting arbitrary data relating to the vehicle; vehicles installed at both ends of a target section for which the required travel time is to be measured, and on the route of the target section, and transmitted from the vehicle data transmission means Vehicle data receiving means for receiving data; and travel time calculation means for calculating a time required for travel between the interchanges based on the vehicle data received by the vehicle data reception means, respectively. A travel time measuring device, characterized in that: