JPH09153834A - Traffic information receiving device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain traffic information optimum for running by selecting the channel of a base station having information providing area information corresponding to a present position so as to receive. SOLUTION: The running direction of a vehicle is detected by a direction sensor 17, a present position information calculation processing for detecting the running distance of the vehicle by a distance sensor 19 so as to calculate present position information of the vehicle is executed and updating is successively executed. It is judged whether or not the present position information is included in information providing area information. Then, it is judged whether the number of base stations where the present position is included in information providing area information is plural or not. At this time, the base station corresponding to information providing area information which is stored in a CD- ROM part 23 based on the present position is retrieved by a system control part 21. When the plural base stations corresponding to the position on a running route from the present position of the vehicle exist in result, the base station having information providing area information including a largest number of running routes from the present position is selected by a traffic information receiving part 13 so as to be received.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traffic information receiving apparatus, and in particular, selects a base station having an information providing area including the largest number of running routes and current positions among base stations providing traffic information to individual areas. The present invention relates to a traffic information receiving device that can receive the information.

[0002]

2. Description of the Related Art Conventionally, as a traffic information receiving device, there is a traffic information receiving device which can be applied to an on-vehicle route guiding device which uses traffic information received by selecting a base station which provides traffic information to an individual area. Are known.

This information source uses an FM multiplex station that multiplexes and transmits a character code having individual base station identification information and traffic information to a general music program, news program or the like.
It is an on-vehicle route guidance device that receives traffic information transmitted from an M multiplex station and displays the traffic information on the road on which the vehicle travels along with a map display. It is known to select and receive multiple stations.

[0004]

However, in the conventional traffic information receiving apparatus, when there are a plurality of FM multiple stations that can be received by the running vehicle, the station having a strong electric field strength is selected and received. Therefore, even when the travel route is set, a base station different from the information providing station on the travel route may be selected and received, and the necessary traffic information on the travel route cannot be provided. There was a problem such as.

Further, since a station having a strong electric field strength is selected and received, a base station which has not transmitted the traffic information of the current position may be selected and received, and the necessary traffic information is provided. There was a problem that I could not receive it.

[0006] The present invention has been made in view of the above,
An object of the present invention is to provide a traffic information receiving device capable of selecting and receiving a base station having an information providing area including the most traveling route and current position among base stations providing traffic information to individual areas. Especially.

[0007]

According to the first aspect of the present invention,
In order to solve the above problems, a traffic information receiving device that uses traffic information received by selecting a base station that provides traffic information to an individual area, the base having an information providing area that includes the most current position The gist of the present invention is to have a channel selection receiving means for channel selection and reception.

According to the first aspect of the present invention, by selecting and receiving the base station having the information providing area including the most current position, the most current position can be obtained from a plurality of receivable base stations. It is possible to select and receive base stations including those, and to provide optimal traffic information for running.

In order to solve the above-mentioned problems, a second aspect of the present invention is a traffic information receiving apparatus that utilizes traffic information received by selecting a base station that provides traffic information to an individual area. The present position detecting means for detecting the present position of the vehicle, the information providing area information storing means for pre-storing the information providing area information representing the area where the base station can provide the traffic information, and the most including the present position of the detected vehicle The gist is to have an information search means for searching the information providing area information storage means for a base station, and a channel selection receiving means for selecting and receiving the base station based on the search result.

According to the second aspect of the present invention, a plurality of base stations including the largest detected current position of the vehicle are searched, and the base stations are selected and received based on the search result. It is possible to select and receive a base station having the largest current position from the receivable base stations, and it is possible to provide the optimum traffic information for traveling.

In order to solve the above-mentioned problems, the tuning receiver according to a third aspect of the present invention focuses on the current position when there are a plurality of base stations corresponding to the current position of the vehicle as the search result. The gist is to select and receive the base station that provides the largest amount of information providing area information corresponding to the area of radius R1.

According to the third aspect of the invention, when there are a plurality of base stations corresponding to the current position of the vehicle as a search result, information providing area information corresponding to the area of radius R1 centering on the current position is displayed. By selecting and receiving the base station that provides the most, you can select and receive the base station that contains the most current position from multiple receivable base stations, and provide the optimal traffic information for running. You can

In order to solve the above-mentioned problems, a fourth aspect of the present invention is a traffic information receiving device that uses traffic information received by selecting a base station that provides traffic information to an individual area. The gist of the present invention is to have a tuning receiving unit that selects and receives a base station having an information providing area including the most routes.

According to the fourth aspect of the present invention, by selecting and receiving the base station having the information providing area including the most travel routes, the most travel routes are received from the plurality of receivable base stations. It is possible to select and receive base stations including those, and to provide optimal traffic information for running.

In order to solve the above-mentioned problems, a fifth aspect of the present invention is a traffic information receiving apparatus that utilizes traffic information received by selecting a base station that provides traffic information to an individual area. Travel route setting means for setting a route,
Current position detecting means for detecting the current position of the vehicle, information providing area information storage means for storing in advance information providing area information indicating an area where the base station can provide traffic information, and distance X1 from the detected current position of the vehicle. An information search unit that searches the information provision area information storage unit for a base station that includes the most positions on the previous travel route, and a channel selection reception unit that selects and receives the base station based on the search result. Having it is the gist.

According to the fifth aspect of the invention, a base station including the largest number of positions on the travel route that is a distance X1 away from the detected current position of the vehicle is searched, and the base station is selected based on the search result. By receiving as a local station, a base station that includes the largest number of positions on the travel route at a distance X1 from the current position among a plurality of receivable base stations can be selected and received, and optimal traffic information for travel can be obtained. Can be provided.

In order to solve the above-mentioned problems, the tuning receiver according to the sixth aspect includes a plurality of base stations corresponding to a position on the travel route which is a distance X1 away from the current position of the vehicle as the search result. In some cases, the distance X2 from the current position
The point is to select and receive the base station having the information providing area information including the largest number of driving routes up to.

According to the sixth aspect of the invention, when there are a plurality of base stations corresponding to the position on the travel route which is the distance X1 away from the current position of the vehicle as a result of the search, the distance from the current position to the distance X2 By selecting and receiving the base station having the information providing area information including the most travel route, the base station including the most travel route from the current position to the distance X2 is selected from the plurality of receivable base stations. It can be received locally and can provide optimal traffic information for driving.

In order to solve the above-mentioned problems, the tuning receiver of the present invention provides information on the current position when there are not a plurality of base stations corresponding to the current position of the vehicle as the search result. The point is to select and receive base stations included in the area.

According to the seventh aspect of the invention, when there is no base station corresponding to the current position of the vehicle as a result of the search, a base station including the current position in the information providing area is selected and received. As a result, the receivable base station can be selected and received, and the optimal traffic information for traveling can be provided.

In order to solve the above-mentioned problems, the present invention is a traffic information receiving device which utilizes traffic information received by selecting a base station which provides traffic information to an individual area, the travel information receiving apparatus comprising: Travel route setting means for setting a route,
Corresponding to the detected current position of the vehicle, current position detection means for detecting the current position of the vehicle, information provision area information storage means for pre-storing information provision area information representing the area where the base station can provide traffic information An information retrieving means for retrieving a base station capable of providing the information providing area information from the information providing area information storing means; and a tuning receiving means for selecting and receiving the base station based on the retrieval result. Use as a summary.

According to the invention of claim 8, a base station capable of providing information providing area information corresponding to the detected current position of the vehicle is searched, and the base station is selected based on the search result. By receiving, the base station having the information providing area information corresponding to the current position can be selected and received, and the optimal traffic information for traveling can be provided.

In order to solve the above-mentioned problems, the tuning receiver of the present invention has a plurality of base stations capable of providing information providing area information corresponding to the current position of the vehicle as the search result. In the above, the gist is to select and receive a base station having an information providing area including the largest number of travel routes from the current position to the distance X3.

According to the invention of claim 9, when there are a plurality of base stations capable of providing the information providing area information corresponding to the current position of the vehicle as a search result, the traveling route from the current position to the distance X3 By selecting and receiving a base station having an information providing area that includes the largest number of base stations, the base station that includes the largest number of travel routes from the current position to the distance X3 among the plurality of receivable base stations is selected. It can be received and can provide the optimal traffic information for driving.

[0025]

Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) FIG. 1 is a diagram showing a system configuration of a traffic information receiving apparatus 10 according to a first embodiment of the present invention.

As shown in the figure, as a base station for providing road traffic information, the FM multiplex station 1 is a character having individual base station identification information and traffic information for general music programs and news programs. Multiplex code and send. The radio beacon station 3 is provided near the road and character-codes individual base station identification information and traffic information, and transmits them using radio waves. The optical beacon station 5 is provided in the vicinity of the road and character-codes individual base station identification information road and traffic information and transmits it using light. The FM multiplex station 1, the radio beacon station 3, the optical beacon station 5, etc. are base stations for providing the traffic information collected in the individual area to the individual area, and the traffic information provided is traffic congestion information. There are information on accidents and construction, information on lamp closures, time required for specific sections, parking lot information, traffic crackdown information, recommended route information, etc.

On the other hand, the on-vehicle route guiding apparatus 10 shown in FIG.
In this configuration, the antenna 11 is provided in the vehicle and collects radio waves from around the vehicle. Traffic information receiver 13
Selects and demodulates a channel from radio waves and light collected from the antenna 11 and an optical receiver (not shown), and receives character-coded individual base station identification information and traffic information. The input unit 15 includes a keyboard and the like, and is used when setting a destination of the vehicle. Direction sensor 17
Is composed of a toroidal core type fluxgate type geomagnetic sensor, etc., and outputs the traveling direction of the vehicle. The distance sensor 19 is a photoelectric sensor or a mechanical contact sensor that outputs a pulse signal proportional to the rotation speed of the tire and that generates a signal corresponding to the traveling distance of the vehicle.

The system control unit 21 controls various controls such as a setting program for setting a traveling route, a calculation program for calculating the current position of the vehicle, and a processing program for changing the display screen according to the traveling direction of the vehicle. While controlling the device based on the program, the base station corresponding to the information providing area information stored in the CD-ROM unit 23 is searched based on the current position and the position on the traveling route.

The CD-ROM section 23 stores information providing area information, point information and map information corresponding to individual base station identification information. The information providing area information stored in the CD-ROM unit 23 is information located on the mesh structure map data corresponding to the intersections and roads in each individual base station. Further, instead of the CD-ROM unit 23, the information providing area information is stored in the internal ROM of the system control unit 21.
May be stored.

The display unit 25 displays the traffic information together with the map information and the vehicle position as a plurality of image data displayed and processed by the system control unit 21. In the present embodiment, when FM multiplex broadcasting transmitted from a plurality of base stations a and b can be received, the relation between the current position and the information provision area information of the receivable base stations and the own vehicle are set. Based on the existing traveling route, a base station having information providing area information including a larger number of traveling routes is selected from a plurality of receivable base stations to be received.

Next, the relationship between the receivable area and the information providing area information corresponding to the base station will be described with reference to FIGS. In FIG. 2, the base stations a and b of the FM multiplex station 1 are shown.
Information providing area information is an area where traffic information is collected and provided centering on base stations a and b (not shown), while receivable areas of base stations a and b are base stations a and b.
This is an area where the traffic information transmitted from b can be received.
Therefore, as shown in the figure, the receivable area is wider than the information providing area information. Further, the definitions of the areas A to G shown in FIG. 2 are as shown in FIG.

Next, the channel selection receiving operation of the traffic information receiving apparatus 10 will be described with reference to the current position and the traveling route pattern shown in FIGS. 7 to 13 and the flowcharts shown in FIGS.
Here, it is assumed that the current position information is stored or registered in the in-vehicle route guidance device 10 in advance. First, the traveling direction of the vehicle is detected by the direction sensor 17, the traveling distance of the vehicle is detected by the distance sensor 19, and the current position information of the vehicle is sequentially updated. Next, based on the current position information of the vehicle, a CD-
The spot information stored in the ROM unit 23 is searched to read the corresponding map information, display processing is performed to expand the map information, and the map information is displayed on the display unit 25.

On the other hand, as shown in FIG. 1, the antenna 1 transmits radio waves and light transmitted from the FM multiplex station 1, the radio beacon station 3, the optical beacon station 5 and the like provided on the road on which the vehicle is traveling.
1 and an optical receiver (not shown), and the traffic information receiving unit 13 tunes in to demodulate traffic direction information, traffic level information, etc. as traffic information and character code them.

First, in FIG. 4, in step S10, the presence / absence of a receivable station is determined depending on whether or not the electric field strength of the radio wave from the receivable station collected by the traffic information receiving unit 13 via the antenna 11 is the reference value L0 or more. To judge. If there is a receivable station, the process proceeds to step S20. On the other hand, when there is no receivable station, as shown in FIG. 13, the current position of the vehicle is located in the area G and the traveling route is the patterns 43 to 49. In this case, the process ends. To do.

Next, in step S20, the antenna 11
It is determined whether or not there are a plurality of receivable stations whose electric field strength of the radio wave collected by the traffic information receiving unit 13 via the reference value L0 or more. If there are a plurality of receivable stations, the process proceeds to step S30. On the other hand, when the number of receivable stations is one, as shown in FIGS. 11 and 12, when the current position is located in the areas E and F and when the traveling route is the patterns 29 to 42, the step S25 is performed. The receivable station is selected and received by the traffic information receiving unit 13.

Next, in step S30, the information providing area information stored in the CD-ROM section 23 is read out based on the individual base station identification information received from the base station and corresponds to a plurality of receivable base stations. It is determined whether the information providing area information is located differently. If the information providing area information corresponding to each of the plurality of receivable base stations is different, the process proceeds to step S40. On the other hand, when the information providing area information is the same, in step S35, the base station having a large electric field strength is preferentially selected and received.

Next, in step S40, the system control unit 21 determines whether or not the traveling route (route) has already been set. In this case, after setting using the setting program for setting the traveling route in the system control unit 21,
The travel route stored in the internal RAM of the system control unit 21 is checked. When the traveling route is not set, the process proceeds to step S50. On the other hand, if the travel route is already set, the process proceeds to step S70.

Turning to FIG. 5, in step S50, a current position information calculating process for calculating the current position information of the vehicle by detecting the running direction of the vehicle by the direction sensor 17 and the distance sensor 19 of the running distance of the vehicle. And update sequentially. It is determined whether or not this current position information is located within the information provision area information. If the current position is within the information providing area information, the process proceeds to step S60. On the other hand, if the current position is not within the information providing area information, in step S55,
As shown in FIG. 7, this is a case where the current position is located in the area A, and in this case, the traffic information receiving unit 13 tunes to and receives the base station with a high electric field strength.

Next, in step S60, it is determined whether or not there are a plurality of base stations including the current position in the information providing area information. In this case, the CD-ROM unit 23 based on the current position
The system control unit 21 searches for a base station corresponding to the information provision area information stored in. When there are a plurality of base stations including the current position in the information providing area information, step S67
Proceed to. On the other hand, when there is a single base station including the current position in the information providing area information, in step S65, the current position is located in the areas B and C as shown in FIGS. The traffic information receiving unit 13 selects and receives a base station including the current position in the information providing area information.

Next, in step S67, since there are a plurality of base stations including the current position in the information providing area information, FIG.
As shown in, the current position is located in the area D, and in this case, the base station including the largest amount of information providing area information corresponding to the area having the radius R1 km centering on the current position is selected and received. Therefore, when there are a plurality of base stations corresponding to the current position of the vehicle as a search result, the base station that provides the most information providing area information corresponding to the area of radius R1 centering on the current position is selected and received. by doing,
It is possible to select and receive the base station having the largest current position from a plurality of receivable base stations, and provide the optimum traffic information for traveling.

Returning to FIG. 4, in step S70, current position information calculation processing is performed to determine whether or not the current position information is located within the information providing area information. If the current position is within the information providing area information, the process proceeds to step S100. On the other hand, if the current position is not within the information providing area information, the process proceeds to step S80.

Turning to FIG. 6, in step S80, it is determined whether or not the route X1 km ahead of the current position is located in the information provision area information. If the route X1 km ahead of the current position is located within the information provision area information, the process proceeds to step S90. On the other hand, when the route X1 km ahead of the current position is not located in the information provision area information, in step S85, the traveling route is the pattern 1, 5, 7 as shown in FIG. 7, and in this case, A base station having a large electric field strength is preferentially selected and received.

Next, in step S90, it is determined whether or not there are a plurality of base stations including the travel route in the information providing area information. In this case, the CD-ROM based on the driving route
The system control unit 21 searches for the number of base stations corresponding to the information provision area information stored in the unit 23. When the number of the base stations including the traveling route in the information providing area information is one, the traveling route may be patterns 2, 3 and 6 in step S95 as shown in FIG. The traffic information receiving unit 13 includes the base station included in the service area information.
Select and receive at. Therefore, if there is no base station corresponding to the current position of the vehicle as a search result, a receivable base station is selected by selecting and receiving a base station that includes the current position in the information providing area. It is possible to receive and receive the optimal traffic information for driving.

On the other hand, when there are a plurality of base stations including the traveling route in the information providing area information, the traveling route is the pattern 4 as shown in FIG. 7 in step S97. In this case, from the current position. The traffic information receiving unit 13 selects and receives a base station including a large number of travel routes up to X2 km in the information providing area information. Therefore, when there are a plurality of base stations corresponding to the position on the travel route that is the distance X1 away from the current position of the vehicle as a search result, the distance X from the current position is determined.
By selecting and receiving a base station having information provision area information including the largest number of travel routes up to 2, a base that includes the largest number of travel routes from the current position to the distance X2 among a plurality of receivable base stations. The station can be selected and received, and the optimal traffic information for running can be provided.

Next, returning to FIG. 4, in step S100, it is determined whether or not there are a plurality of base stations including the current position in the information providing area information. In this case, the system control unit 21 searches for the number of base stations corresponding to the information providing area information stored in the CD-ROM unit 23 based on the current position. When there is a single base station that includes the current position in the information providing area information, in step S105, as shown in FIGS. 8 and 9, the traveling route is the pattern 8 to 21, and in this case, the current position is determined. The traffic information receiving unit 13 selects and receives a base station included in the information providing area information.

On the other hand, when there are a plurality of base stations including the current position in the information providing area information, in step S107, the traveling route is the pattern 22 to 28 as shown in FIG. The traffic information receiving unit 13 selects and receives a base station that includes a large number of travel routes from the position to X3 km in the information providing area information. Therefore, when there are a plurality of base stations capable of providing the information providing area information corresponding to the current position of the vehicle as a search result, the base station having the information providing area including the most traveling routes from the current position to the distance X3 is selected. By selecting and receiving, it is possible to select and receive the base station having the largest number of traveling routes from the current position to the distance X3 among a plurality of receivable base stations, and provide optimum traffic information for traveling. be able to.

[0047]

As described above, according to the present invention as set forth in claim 1, a plurality of receivable signals can be received by selecting and receiving the base station having the information providing area including the most current position. It is possible to select and receive a base station having the largest number of current positions from various base stations, and provide optimum traffic information for traveling.

According to the present invention as set forth in claim 2, the base station including the largest detected current position of the vehicle is searched, and the base station is selected and received based on the search result. It is possible to select and receive the base station having the largest current position from a plurality of receivable base stations, and to provide the optimum traffic information for traveling.

Further, according to the present invention of claim 3, when there are a plurality of base stations corresponding to the current position of the vehicle as a search result, the information providing area corresponding to the area of radius R1 centering on the current position. By selecting and receiving the base station that provides the most information, you can select and receive the base station that contains the most current position from multiple receivable base stations, and provide the optimal traffic information for driving. can do.

Further, according to the present invention as set forth in claim 4, by selecting and receiving the base station having the information providing area including the most travel routes, the travel routes can be obtained from a plurality of receivable base stations. The most included base station can be selected and received, and the optimal traffic information for running can be provided.

According to the present invention as set forth in claim 5, a base station which includes the largest number of positions on the travel route which is a distance X1 from the detected current position of the vehicle is searched, and the base station is searched based on the search result. By selecting and receiving, it is possible to select and receive the base station that includes the largest number of positions on the travel route, which is the distance X1 from the current position, among the plurality of receivable base stations. Information can be provided.

According to the present invention of claim 6, when there is a plurality of base stations corresponding to the position on the travel route which is the distance X1 from the current position of the vehicle as the search result, the distance X2 from the current position. By selecting and receiving the base station having the information providing area information including the largest number of driving routes up to, the distance X from the current position among the plurality of receivable base stations can be obtained.
It is possible to select and receive a base station that includes the largest number of travel routes up to 2 and provide optimal traffic information for travel.

According to the present invention of claim 7, when there is no base station corresponding to the current position of the vehicle as a result of the search, a base station including the current position in the information providing area is selected. By receiving, it is possible to select a receivable base station and receive it, and it is possible to provide traffic information most suitable for traveling.

According to the present invention of claim 8, a base station capable of providing information providing area information corresponding to the detected current position of the vehicle is searched, and the base station is selected based on the search result. By receiving the information, the base station having the information providing area information corresponding to the current position can be selected and received, and the optimal traffic information for running can be provided.

According to the present invention of claim 9, when there are a plurality of base stations capable of providing the information providing area information corresponding to the current position of the vehicle as a search result, the distance from the current position to the distance X3 By selecting and receiving a base station having an information providing area that includes the most travel routes, a base station that includes the most travel routes from the current position to the distance X3 is selected from a plurality of receivable base stations. And then receive
It is possible to provide optimal traffic information for driving.

[Brief description of the drawings]

FIG. 1 is a diagram showing a system configuration of a traffic information receiving device 10 according to a first embodiment of the present invention.

FIG. 2 is a diagram for explaining a relationship between a coverage area and information provision area information corresponding to a base station.

FIG. 3 is a diagram for explaining the definitions of areas A to G.

FIG. 4 is a flowchart for explaining a channel selection receiving operation of the traffic information receiving device 10.

FIG. 5 is a flowchart for explaining a channel selection receiving operation of the traffic information receiving device 10.

FIG. 6 is a flowchart for explaining a channel selection receiving operation of the traffic information receiving device 10.

FIG. 7 is a diagram showing a relationship between a current position and a travel route pattern.

FIG. 8 is a diagram showing a relationship between a current position and a travel route pattern.

FIG. 9 is a diagram showing a relationship between a current position and a travel route pattern.

FIG. 10 is a diagram showing a relationship between a current position and a travel route pattern.

FIG. 11 is a diagram showing a relationship between a current position and a travel route pattern.

FIG. 12 is a diagram showing a relationship between a current position and a travel route pattern.

FIG. 13 is a diagram showing a relationship between a current position and a travel route pattern.

[Explanation of symbols]

 1 FM Multiplex Station 3 Radio Beacon Station 5 Optical Beacon Station 11 Antenna 13 Traffic Information Receiving Section 15 Input Section 17 Direction Sensor 19 Distance Sensor 21 System Control Section 23 CD-ROM Section 25 Display Section

Claims (9)

[Claims] 1. A traffic information receiving apparatus that utilizes traffic information received by selecting a base station that provides traffic information to an individual area, the base station having an information providing area including the most current position. A traffic information receiving device having a tuning receiving means for tuning and receiving. 2. A traffic information receiving device that uses traffic information received by selecting a base station that provides traffic information to an individual area, the current position detecting means detecting a current position of a vehicle, and a base. Information providing area information storage means for pre-storing information providing area information indicating the area where the station can provide traffic information, and information for searching the information providing area information storage means for a base station containing the most detected current position of the vehicle A traffic information receiving device comprising: a search unit; and a channel selection receiving unit that selects and receives a base station based on the search result. 3. The channel selection receiving means, when there are a plurality of base stations corresponding to the current position of the vehicle as the search result, obtains the information providing area information corresponding to the area of radius R1 with the current position at the center. The traffic information receiving apparatus according to claim 2, wherein a base station provided in large numbers is selected and received. 4. A traffic information receiving apparatus that uses traffic information received by selecting a base station that provides traffic information to an individual area, the base station having an information providing area that includes the most travel routes. A traffic information receiving device having a tuning receiving means for tuning and receiving. 5. A traffic information receiving device that uses traffic information received by selecting a base station that provides traffic information to an individual area, comprising: a travel route setting means for setting a travel route; A current position detecting means for detecting a position, an information providing area information storing means for storing in advance information providing area information indicating an area where the base station can provide traffic information, and a travel of a distance X1 ahead from the detected current position of the vehicle. An information search unit that searches the information provision area information storage unit for a base station that includes the most positions on the route; and a channel selection reception unit that selects and receives the base station based on the search result. Characteristic traffic information receiver. 6. The tuning selection receiving means, when there is a plurality of base stations corresponding to a position on a travel route which is a distance X1 away from the current position of the vehicle as the search result, travels from the current position to a distance X2. The traffic information receiving device according to claim 5, wherein a base station having information providing area information including the largest number of routes is selected and received. 7. The tuning receiving unit selects and receives a base station whose current location is included in an information providing area when there is not a plurality of base stations corresponding to the current location of the vehicle as the search result. The traffic information receiving device according to claim 5. 8. A traffic information receiving device that uses traffic information received by selecting a base station that provides traffic information to an individual area, comprising: a travel route setting means for setting a travel route; Current position detection means for detecting the position, information provision area information storage means for storing in advance information provision area information indicating the area where the base station can provide traffic information, and information provision area corresponding to the detected current position of the vehicle An information search means for searching a base station capable of providing information from the information provision area information storage means, and a tuning reception means for selecting and receiving the base station based on the search result. Traffic information receiver. 9. The tuning receiving unit, when there are a plurality of base stations capable of providing information providing area information corresponding to the current position of the vehicle as the search result, selects a travel route from the current position to the distance X3. 9. The traffic information receiving device according to claim 8, wherein a base station having an information providing area including the largest number is selected and received.