JP2003223696A - Particular road information server, on-vehicle communication processing device and particular road information client program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To accurately recognize a vehicle on a particular road and to acquire desired information about the particular road. <P>SOLUTION: When the vehicle passes an ETC base unit of a highway inlet, the ETC base unit informs authentication information to a vehicle information communication server, and the vehicle information communication server stores that the vehicle exists on the highway. The vehicle information communication server observes the vehicle by regularly receiving the positional information from the vehicle on the highway. When the transmission vehicle which enters the highway encounters congestion, the transmission vehicle transmits a message indicating 'Is it a traffic accident ?' to the vehicle information communication server to deliver the message to a preceding vehicle. The vehicle information communication server receives the message, chooses an appropriate vehicle and delivers the message to the vehicle. A reception vehicle receiving the message makes response message indicating 'A track is out of order.' and transmits the response message to the vehicle information communication server. The vehicle information communication server sends the response message back to the transmission vehicle. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle-mounted communication processing device mounted in a vehicle for exchanging information on a specific road, a specific road information client program, and a specific road information server for mediating the exchange of this information. is there.

[0002]

2. Description of the Related Art Conventionally, information services on a specific road represented by a highway or an automobile exclusive road are provided by an electronic bulletin board installed on the roadside or AM.
There are broadcasting by radio, broadband broadcasting by wide area communication network such as simultaneous short message delivery of mobile phones, and so on.

[0003]

However, in the information service using the electronic bulletin board and the AM radio, it is not possible to obtain arbitrary information required by the vehicle, and only limited information can be obtained.

Further, in broadband broadcasting of a wide area communication network, since a message reaches other general roads close to the specific road, it is not possible to transmit the information only to vehicles traveling on the specific road. You will end up providing useless information.

[0005] Further, even if a vehicle-mounted GPS positioning system is used as a method of identifying a vehicle on a specific road in order to send information only to the vehicle on the specific road, the specific road and the general road are close to each other. If they are running side by side or crossing each other, there is a possibility that an erroneous determination will be made.

In view of the above points, an object of the present invention is to enable a vehicle on a specific road to be accurately recognized in a specific road information service and to obtain desired information on the specific road.

[0007]

In order to achieve the above object, in the specific road information server according to claim 1, the client vehicle is a vehicle that can use the specific road information service, and the client vehicle is a specific road. It is characterized by including means for storing a client vehicle on a specific road and a means for mediating communication between the client vehicles on the specific road by receiving the notification that the vehicle is on the upper side.

Thus, the specific road information server can store the client vehicles on the specific road and mediate the communication between these vehicles, so that the vehicles on the specific road can be accurately recognized and desired information can be obtained. It becomes possible to provide a specific road information service.

As a specific example in which the specific road information server stores the client vehicle on the specific road,
In the invention described in claim 1, in the specific road information server according to claim 1, means for detecting that the client vehicle has entered the specific road via a roadside machine near the entrance,
And a means for detecting that the client vehicle has exited the specific road via a roadside machine near the exit, and a means for storing the client vehicle on the specific road based on the detection by these means. It has a feature.

Further, in the invention described in claim 3, in the specific road information server according to claim 1 or 2, means for intermittently acquiring vehicle position information from the client vehicle on the specific road, and the client vehicle. In response to a vehicle-to-vehicle communication request from the vehicle, a means for determining a client vehicle of the other party of the vehicle-to-vehicle communication is determined based on the position information.

As a result, the specific road information server recognizes the position of the client vehicle on the specific road, and the client vehicle of the vehicle-to-vehicle communication partner can be determined based on the position. It is possible to provide a specific road information service capable of efficiently obtaining desired information as compared with the case where a vehicle is a destination.

The on-vehicle communication processing device according to claim 4 is an on-vehicle communication processing device mounted on a vehicle, the vehicle being on a specific road by receiving a notification from the vehicle that the vehicle is on a specific road. Specific road information server that stores the information and mediates communication between vehicles on a specific road, means for communicating via a wireless communication device in the vehicle, and notifies the specific road information server that the vehicle is on a specific road And a means for communicating with other vehicles on the specific road through the mediation of the specific road information server.

As a result, when the vehicle equipped with the in-vehicle communication processing device is on a specific road, the specific road information server is notified of that fact, and the specific road stored for the vehicle on the specific road is stored. Since communication is performed using the information server as an intermediary, it is possible to provide a specific road information service that can accurately recognize a vehicle on a specific road and obtain desired information.

According to the invention described in claim 5, claim 4
In the vehicle-mounted communication processing device according to, when receiving an information request from another vehicle on a specific road mediated by a specific road information server, vehicle-related information acquired from a device that detects information related to the mounted vehicle Is provided to the specific road information server based on the information request.

As a result, the information acquired from the device for detecting the information related to the vehicle inside the vehicle can be returned in response to the information request, so that it is possible to provide the specific road information service capable of acquiring the desired information. Become.

The device for detecting information related to the vehicle mounted here also includes a user interface for receiving an input from an occupant in the vehicle.

Further, in the invention described in claim 6,
Alternatively, in the vehicle communication processing device described in 5, the unit for acquiring the position information of the vehicle from the position acquisition device that detects the current position of the mounted vehicle on the specific road is combined with the position information and the identification signal of the vehicle. And intermittently transmitting to the specific road information server, and means for simultaneously communicating via the specific road information server only to vehicles within a predetermined area based on the current position of the mounted vehicle. I am trying.

As a result, the vehicle intermittently informs its own position to the specific road information server, and it is possible to carry out simultaneous communication only with vehicles in a specific area. In comparison, a specific road information service that can efficiently obtain desired information can be provided.

According to a seventh aspect of the present invention, there is provided a specific road information client program, which notifies a vehicle on-board communication processing computer mounted on the vehicle of a vehicle on the specific road by receiving a notification from the vehicle that the vehicle is on the specific road. A specific road information server that stores and mediates communication between vehicles on a specific road, a function that communicates via a wireless communication device in the vehicle, and a function that notifies the specific road information server that the vehicle is on a specific road And a function of communicating with another vehicle on a specific road through the mediation of the specific road information server.

As a result, when the vehicle equipped with the vehicle-mounted communication processing computer that executes this specific road information client program is on a specific road, the specific road information server is notified of that fact, and then the vehicle is on the specific road. Since the communication is performed through the specific road information server that stores the vehicle as an intermediary, it is possible to perform the specific road information service that can accurately recognize the vehicle on the specific road and obtain desired information.

[0021]

BEST MODE FOR CARRYING OUT THE INVENTION (First Embodiment) As a first embodiment of the present invention, a highway information service in which unspecified vehicles communicate with each other via a specific road information information server will be described. FIG. 1 shows a block diagram of this system.

Vehicles 430 to 43 that can use this system
ETC parent device 440 is installed at a toll gate (not shown) that is an entrance and an exit of highway 410 through which ETC 8 passes, and this ETC parent device 440 is inside ETC control center 450 that manages ETC. Is connected to the ETC server 460. The ETC server 460 can communicate with the vehicle information communication server 490 via the Internet 480. In addition, this highway 41
Wide-area communication network radio base stations 421 to 428 are installed in the vicinity of 0, and their cells BS1 to BS8 are connected to the highway 410.
It is arranged to cover the inside.

FIG. 2 is a block diagram of the vehicle-mounted device 1 installed in each of the vehicles 430 to 438 for utilizing the information service in this system. The in-vehicle device 1 includes a wireless device 100 for communication and an in-vehicle server 1
40, GPS positioning device 160, wiper control unit 17
0, operation unit 176 / display unit 177 / speaker 178
A user interface module 175 including a / microphone 179, a road surface sensor 180, and an outside air temperature sensor 185 can exchange signals with each other via the vehicle-mounted LAN 150.

The radio 100 has an ETC antenna 110 and an ETC transceiver 115 for communicating with the ETC master 440 at the entrance and exit of the highway 410, and wide area communication for communicating with the base stations 421 to 428. Antenna 1
20 and a wide area communication network wireless transmission / reception device 125, and signals transmitted and received by these devices can be exchanged with an in-vehicle LAN by a wireless device gateway 130 which is an intelligent interface for filtering and authentication. There is.

The ETC server 460 is the ETC base unit 440.
When the vehicles 430 to 438 passing through the exits and entrances of the expressway 410 in which is installed are detected, authentication is performed by communicating with the wireless device 100. And vehicles 430-4
When 38 passes through the entrance, it transmits to the vehicle information communication server 490 that the vehicles 430 to 438 have entered the highway 410 together with the vehicle information, and when vehicles 430 to 438 pass through the exit, the vehicles 430 to 438 move to the highway 410. Vehicle information communication server 4 with vehicle information that you have exited from
It is designed to be sent to 90. Here, the vehicle information is an authentication code unique to the vehicle, the current time, the position of the vehicle obtained by the GPS positioning device 160, and the like.

The in-vehicle server 140 has a CPU 141 and a memory 142, exchanges communication information and control information with the above-described various devices via the in-vehicle LAN 150, and processes these information to provide various controls and services. It is something to do. This processing is realized as software. The program therefor may exist in the memory 142 in advance, or may be downloaded from the outside to the memory 142 via the wireless device 100. CP in the program in this memory 142
The operation of the in-vehicle server 140 is realized by executing the processing in U141. A highway information client program is used as a program for receiving the highway information service.

Here, the procedure of communication in which the vehicles 430 to 438 on the highway 410 exchange information about the highway with each other in such a system will be described with reference to two specific examples.

As a first specific example, when a vehicle 430 as a transmission vehicle enters the highway 410 and encounters a traffic jam, the vehicle 435 as a receiving vehicle returns a reply message by inquiring whether an accident has occurred in the front. I will explain the procedure to come. Transmission vehicle 430, vehicle information communication server 490, reception vehicle 435 in this procedure
The procedure showing the exchange of signals between the two is shown in FIG. It should be noted that the steps shown in parentheses below correspond to the procedures of the corresponding numbers with parentheses described in FIG.

First, the vehicle 430 passes through the ETC master unit 440 of the toll gate which is the entrance and exit to enter the highway 410 (step 1). At that time, ETC base unit 440,
Vehicle information for authentication is transmitted to the vehicle information communication server 490 via the ETC server 460 and the Internet 480 (step 2), and the vehicle information communication server 490 stores that the vehicle 430 is on the highway 410, The vehicle 430 is permitted to use the highway information service (step 3).

The vehicle 430 which has passed through the toll gate and entered the highway 410 periodically transmits the vehicle information to the vehicle information communication server 490 (step 4). In addition, since the other vehicles 431 to 438 on the highway 410 also periodically transmit the vehicle information to the vehicle information communication server 490, the vehicle information communication server 490 side has the vehicles 430 to 438 on the highway 410. Therefore, the position information of the vehicles 430 to 438 on the highway 410 can be grasped at all times.

Thereafter, the vehicle 430 encounters a traffic jam. At this time, a person in the vehicle 430 creates a short message as an information request using the operation unit 176 installed in the vehicle 430, and uses it as a simultaneous communication to transmit the vehicle information communication server 490 via the base station. (Step 6). The content of the short message is, for example, "Traffic accident? Please tell me." This short message may be in the form of selecting a fixed text that is stored in advance in the in-vehicle server 140.

At this time, parameters 1 to 3 are attached to the short message. Parameter 1 is for defining the other party who receives this message, and describes that a vehicle within a predetermined distance, for example, up to 1 km ahead of the position of the own vehicle is a reception target. The parameter 2 is for specifying the time, and it is described that the service is waited for a predetermined time, for example, 1 hour after the call is made, but the service is not received thereafter. The parameter 3 describes the position information of the vehicle.

Further, the short message includes the identifier of the wireless device 100 as a return destination, for example, a telephone number or a mail address, but this information is processed so that it cannot be known to the recipient unless it is handled as public information. It

The vehicle information communication server 490 that has received this short message specifies the vehicle that transmits the message based on the attached parameters (step 7), and sends this short message to the specified vehicle via the base station. Send (step 8).

The vehicle-mounted server 140 of the vehicle which has received this message, the user interface module 17
It is displayed on the display unit 177 of No. 5. When the person in the vehicle 435 who has seen this message wants to respond, for example, a message "the truck is out of order" is created and sent as a return message to the vehicle information communication server 490, and this is sent. Vehicle information communication server 4 received
90 transfers to vehicle 430 (step 9). Note that this return message may also be selected from fixed phrases stored in advance in the in-vehicle server 140.

In this way, the vehicle 430 receives the message (step 10), and the traffic information on the highway 410 can be exchanged between the vehicle 430 and the vehicle 435.

As a second specific example, in the system shown in FIG. 1, the vehicle 430 as a transmitting vehicle that has entered the highway 410 wants to know the weather at the position on the highway 410 at which the vehicle 430 is scheduled to pass. In this case, a procedure for acquiring weather information from the vehicle 435 as the receiving vehicle that is currently at the scheduled position will be described.

FIG. 4 shows a procedure showing a signal exchange between the transmitting vehicle 430, the vehicle information communication server 490 and the receiving vehicle 435 in this procedure. It should be noted that the steps shown in parentheses below correspond to the procedure of the corresponding parenthesized numbers described in FIG.

However, the vehicle 430 passes through the toll gate of the highway 410 and the vehicle information communication server 490 sets the vehicle 4
The procedure from (step 11) to (step 15) for entering the monitoring state of 30 is the same as the procedure from (step 1) to (step 5) in FIG. In this example, the operation unit 176 has a weather information acquisition button.

The vehicle 430 entering the highway 410 wants to know the weather information at a predetermined position, for example, 50 km ahead, and selects the button for obtaining weather information on the operation unit 140 for the vehicle information communication server 490, and The vehicle-mounted server 140 that has detected this causes the vehicle information communication server 490 to transmit a weather information request using the wireless device 100 (step 1
6). At that time, two parameters 1 and 2 are attached. The parameter 1 is for defining the other party who receives this message, and describes that the vehicle in a predetermined area in front, for example, 50 km ± 5 km, is set as the reception target with respect to the own position. Vehicle 430 for parameter 2
The location information of is described.

Further, the weather information request includes an identifier of the wireless device 100 as a return destination, such as a telephone number or a mail address, but the information should not be known to the recipient unless it is handled as public information. It is processed.

Upon receiving this request, the vehicle information communication server 490 specifies the vehicle 435 to which the request message is to be transmitted based on the attached parameters (step 1).
7), a request for instructing collection of weather information is transmitted to the identified vehicle 435 via the base station (step 18).

The vehicle 435 that received this weather information request
Collects vehicle information such as wiper operation information acquired from the wiper control unit 170, road surface information acquired from the road surface sensor 180 and the like, outside air temperature information acquired from the outside air temperature sensor 185, and position information obtained from the GPS positioning device 160. (Step 19), information is transmitted to the vehicle information communication server 490 (step 20). In addition, a comment of a person in the vehicle 435, for example, a message such as "it is pouring down" may be transmitted together. Also, this may be selected from fixed phrases.

The vehicle information communication server 490 collects these pieces of information (step 21) and sends the information to the requested vehicle including other information such as local weather information that can be acquired by the vehicle information communication server 490 (step 22). ).

When the vehicle 430 receives this information, the information on the weather ahead is obtained (step 23), and the vehicle 430 can exchange the information with the vehicle 435 to obtain the desired weather information.

In both the first specific example and the second specific example, when the vehicle 430 exits the highway 410, the ETC master unit 440 at the exit and the ETC server 4 are exited.
60, the vehicle information communication server 490 is notified of the exit of the vehicle 430 via the Internet 480, and the vehicle information communication server 490 erases the memory that the vehicle 430 is on the highway 410.

In-vehicle server 140 described in the above example
The operation of the vehicle information communication server 490 is summarized below in a form that does not depend on a specific case such as traffic information exchange and weather information exchange.

First, the in-vehicle server 140 has a function of controlling the wireless device 100 to communicate with the vehicle information communication server 490 via the wireless device 100.

When a vehicle equipped with the on-vehicle server 140 passes through the ETC base unit 440 at the entrance of the highway 410, the wireless device 100 is controlled to obtain the vehicle information of the installed vehicle.
ETC server 45 by transmitting to C parent device 440
Perform authentication procedure with 0. This is because the vehicle is highway 410
This is a function of notifying the vehicle information communication server 490 that the vehicle is on the upper side. Step 2 of FIG. 3 and step 12 of FIG.
Corresponding to.

The on-vehicle server 140 controls the wireless device 100 while the mounted vehicle is on the highway 410 to periodically transmit the vehicle information to the base station. This corresponds to step 4 in FIG. 3 and step 14 in FIG.

If there is a request for information regarding a highway from the user interface module 175 or the like,
The wireless device 100 is controlled to cause the vehicle information communication server 490 to transmit a signal for requesting information regarding the highway 410 via the base stations 421 to 428. This corresponds to step 6 in FIG. 3 and step 16 in FIG.

When the vehicle-mounted server 140 receives a message from the vehicle information communication server 490 requesting information regarding the highway 410 that has arrived at the wireless device 100 via the base station, a message is displayed on the display unit 177 based on the message. Predetermined processing such as displaying or obtaining information from the wiper control unit 170 is performed, and the result of these processing is used as a return message, and the wireless device 100 is controlled to be returned to the vehicle information communication server 490. This corresponds to step 9 in FIG. 3 and steps 19 and 20 in FIG.

When a vehicle equipped with the in-vehicle server 140 passes through the ETC base unit 440 at the exit of the highway 410,
An exit procedure with the ETC server 450 is performed by controlling the wireless device 100 and transmitting the vehicle information of the mounted vehicle to the ETC parent device 440.

The vehicle information communication server 490 connected to the Internet 480 indicates that the vehicles 430 to 438 have entered the highway 410 from the ETC server 460.
Alternatively, a notification that the vehicle has left the highway 410 is received, and based on this, the fact that the vehicle is on the highway 410 is stored. Further, when the vehicles 430 to 438 enter the expressway, the permission to use the information service regarding the expressway is given to it. This is step 3 of FIG. 3 and FIG.
It corresponds to step 13 of.

Further, these vehicles 430 to 438 are regularly installed.
Vehicle information is received from the base stations 421 to 428, and the stored vehicle information is updated. This is step 5 in FIG.
And corresponds to step 15 of FIG.

When the vehicle information communication server 490 receives an information request regarding the highway 410 from the vehicles 430 to 438 on the highway 410 via the base station, the information request message is transmitted to the destination according to the requested information content. To determine the vehicles and send them a message via the base station. This corresponds to steps 7 and 8 of FIG. 3 and steps 17 and 18 of FIG.

When a return message is received from the vehicle to which the information request message has been sent, the message is sent back to the vehicle that originally requested the information. At that time, if necessary, a process of collecting such information is performed. This corresponds to steps 21 and 22 in FIG.

The operation of the in-vehicle server 140 of the transmitting vehicle and the receiving vehicle exemplified in steps 6, 7, 9 of FIG. 3 and steps 16, 18, 20, 22 of FIG. 4 is performed by the vehicle information communication server 490. Corresponds to the function of communicating with other vehicles on the highway 410.

Further, the vehicles 430 to 438 are connected to the highway 410.
When exiting from, exit ETC base unit 440, ETC
The vehicle information communication server 490 is notified of the exit of the vehicle via the server 460 and the Internet 480, and the vehicle information communication server 490 erases the memory that the vehicle is on the highway 410.

By the above operation, the vehicle information communication server 490 detects that the vehicles 430 to 438 are on the highway 410 as typified by the above-mentioned two cases by the notification via the ETC server 460. Each vehicle 43
0 to 438 periodically notify the vehicle information communication server 490 of its own position information, and the vehicles 4 on the highway 410.
Vehicle information communication server 490 storing 30 to 438
When the vehicle receives the information request from the vehicles 430 to 438, it can determine the vehicle to which the information is requested appropriately and mediate the communication. Therefore, the vehicle on the highway 410 can be accurately recognized, and the vehicle related to the specific road can be identified. A highway information service that obtains desired information is realized.

In this embodiment, the highway 41
0 is a specific road, the expressway information service is a specific road information service, the vehicle information communication server 490 is a specific road information server, the in-vehicle server 140 is an in-vehicle communication processing device, and the vehicles 430 to 438 are client vehicles. The ETC parent device 440 is a road device, the highway information client program is a specific road information client program, the CPU 141 is an in-vehicle communication processing computer, and the GPS positioning device 160 is a position acquisition device. The GPS positioning device 160, the wiper controller 170, the road surface sensor 180, and the outside air temperature sensor 185 are devices that detect information related to the vehicle, and the user interface module 175 is a user interface.

Further, each processing in the specific road information server and the in-vehicle communication processing device is configured as a means for realizing its own means.

(Other Embodiments) First and Second Embodiments of the Present Invention
In the embodiment, the vehicle information communication server 490, ET
The connection relationship between the C server 460 and the base stations 421 to 428 does not necessarily have to pass through the Internet 480, and may be a connection in various forms such as an original dedicated line.

Further, the detection that the vehicles 430 to 438 enter the highway does not necessarily have to be made by the ETC parent device 440, and for example, DSRC (Dedicated Short R
ange Communication) and VICS (Vehicle Information a
nd Communication System).

Also, communications using the base stations 421 to 428 can be connected to a wide area network, for example, DSRC or VI.
You may use a CS road machine.

Further, in the second embodiment, the weather information button may be realized as a touch panel on the display unit 177.

[Brief description of drawings]

FIG. 1 is a diagram showing an overall view of a system that provides a highway information service in a first embodiment of the present invention.

FIG. 2 is a block diagram of an in-vehicle device 1.

FIG. 3 is a timing chart showing a procedure for exchanging traffic congestion information between vehicles 430 and 435.

FIG. 4 is a timing chart showing a procedure for exchanging weather information between a vehicle 430 and a vehicle 435.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... On-vehicle apparatus, 100 ... Radio, 110 ... ETC antenna, 115 ... ETC transceiver, 120 ... Wide area communication antenna, 125 ... Wide area communication network radio transceiver, 130 ...
Wireless device gateway, 140 ... In-vehicle server, 141 ...
CPU, 142 ... Memory, 150 ... In-vehicle LAN, 160
... GPS positioning device, 170 ... Wiper controller, 175 ...
User interface module, 176 ... Operation unit, 177 ... Display unit, 178 ... Speaker, 179 ... Microphone, 180 ... Road surface sensor, 185 ... Outside air temperature sensor, 410 ... Highway, 421-428 ... Wide area communication wireless base station, 430 ... 438 ... vehicle, 440 ... ETC base unit,
450 ... ETC control center, 460 ... ETC server,
470 ... Wide area wireless communication network, 480 ... Internet, 4
90 ... Vehicle information communication server.

Claims (7)

[Claims] 1. Means for storing a client vehicle on a specific road by receiving a notification that the client vehicle is on a specific road from a client vehicle that is a vehicle that can use a specific road information service. And a means for mediating communication between client vehicles on the specific road, the specific road information server. 2. A means for detecting that the client vehicle has entered the specific road via a roadside machine near the entrance, and a roadside machine near the exit when the client vehicle exits the specific road. The specific road information server according to claim 1, further comprising: a means for detecting via the means, and a means for storing a client vehicle on the specific road based on the detection by these means. 3. A means for intermittently acquiring vehicle position information from a client vehicle on the specific road, and a vehicle-to-vehicle communication based on the position information in response to a vehicle-to-vehicle communication request from the client vehicle. 3. The specific road information server according to claim 1 or 2, further comprising: means for determining a client vehicle of the other party. 4. An in-vehicle communication processing device mounted on a vehicle, wherein a vehicle on the specific road is stored by receiving a notification from the vehicle that the vehicle is on the specific road, and a vehicle-to-vehicle communication device between the vehicles on the specific road is stored. A specific road information server that mediates communication of the vehicle, means for communicating via a wireless communication device in the vehicle, means for notifying the specific road information server that the vehicle is on the specific road, An in-vehicle communication processing device, comprising means for communicating with another vehicle on the specific road through an intermediary of a road information server. 5. When an information request from another vehicle on the specific road mediated by the specific road information server is received,
The vehicle-mounted communication according to claim 4, further comprising means for returning the vehicle-related information acquired from a device for detecting information related to the mounted vehicle to the specific road information server based on the information request. Processing equipment. 6. A means for acquiring position information of a vehicle from a position acquisition device for detecting a current position of the mounted vehicle on the specific road, and the position information and the identification signal of the vehicle are combined intermittently. Specifically, means for transmitting to the specific road information server, and means for simultaneously communicating via the specific road information server only to vehicles within a predetermined area based on the current position of the mounted vehicle. The vehicle communication processing device according to claim 4 or 5, characterized in that 7. An in-vehicle communication processing computer mounted on a vehicle receives a notification that the vehicle is on a specific road from the vehicle, stores the vehicle on the specific road, and communicates between the vehicles on the specific road. A specific road information server that mediates, a function of communicating via a wireless communication device in the vehicle, a function of notifying the specific road information server that the vehicle is on the specific road, the specific road information server A specific road information client program for realizing the function of communicating with another vehicle on the specific road through the mediation of the specific road information client program.