JPH08305910A - Toll reception device for toll road - Google Patents

Abstract

PURPOSE: To efficiently store check barrier information in a check barrier storage device. CONSTITUTION: The toll reception device equipped with an on-vehicle communication unit where an IC card 6 can be connected, check barrier information consisting of toll road use charge information, vehicle travel course information, and passing time information is stored in a RAM 63 in an IC card 6 each time a vehicle passes check barrier on the toll road. When no free area is left is the RAM 63, check barrier information whose three pieces of information are all normal is erased from the RAM 63 to generate a free area. If no free area is still left, check barrier information whose toll road use charge information only is abnormal is erased. Thus, the normal check barrier information is erased to form the free area in the RAM 63, so only important information showing abnormality is left in the RAM 63, which can effectively be utilized.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toll road toll collection device for automatically collecting toll road usage fees without stopping at toll and exit toll gates.

[0002]

2. Description of the Related Art FIG. 6 is a diagram showing an outline of a conventional toll road toll collection device, and shows the structure of a manned entrance toll gate. As shown in the figure, the vehicle detection device 50 including the tread 51 and the vehicle separator 52 detects the traffic of the vehicle, and the lane control device 53 detects the traveling lane of the traffic vehicle based on the detection result. Further, the front portion of the vehicle is photographed by a camera (not shown), and the photographed image information is sent to the data processing device 54 to detect the vehicle number of the passing vehicle. On the other hand, the staff at the toll gate visually confirms the vehicle type and then
Take out the toll ticket from the toll ticket issuing machine 55 and hand it over to the driver, in which vehicle type information, entrance toll gate entry date and time information, etc. are entered.

FIG. 7 is a diagram showing the structure of a conventional entrance toll gate equipped with an automatic ticket issuing machine. As shown in the figure, the vehicle type discriminating device 60 automatically discriminates the vehicle type, and based on the result, the automatic ticket issuing machine 55a issues a traveling ticket according to the vehicle type. Further, the vehicle type identification device 60 is provided with a camera 61, and takes an image of a vehicle passing without receiving a pass ticket. The photographed image is image-processed by the image processor 62 in the tollgate office and then sent to the data processor 54.

FIG. 8 is a diagram showing the structure of a conventional exit toll gate. The clerk receives the pass ticket or the highway card from the driver and inserts it into the pass ticket confirmation machine 56 or the highway card processor 57. The ticket checker 56 automatically reads the entrance toll gate information, vehicle type information, check barrier information, etc. written on the ticket, and uses it based on the exit toll gate number and processing date and time at the exit toll gate. The charge is calculated and displayed on the charge display 58. Then, the clerk receives cash or a coupon from the driver, collects the usage fee, and then issues a receipt with the receipt issuing machine 59.

FIG. 9 is a diagram showing the structure of a check barrier provided between the entrance toll gate and the exit toll gate, which is mainly used to prevent illegal use of toll roads. The clerk receives the pass ticket from the driver and inserts it into the pass confirmation machine 56. The pass ticket checker 56 confirms the validity of the pass ticket and checks the barrier information (for example, check barrier number, passing date and time information) on the pass ticket and hands it to the driver.

The toll road toll collection device of FIGS. 6 to 9 described above has the following problems. (1) Personnel must be placed at the entrance toll gate, check barrier, and exit toll gate, and the usage fee must be collected for all vehicles traveling on the toll road, so the burden on the personnel is large. (2) Staff must always work while being exposed to exhaust gas, which is not preferable in terms of working environment. (3) The driver has to stop the vehicle at the entrance toll booth, check barrier and exit toll booth, which is likely to cause congestion because it takes time. In addition, a large amount of exhaust gas is emitted due to repeated start and stop, which causes environmental problems. (4) The driver has to carry cash or a prepaid card at all times, which is troublesome. (5) Even when it is raining, heating in winter, cooling in summer, etc., it is necessary to open the window to receive a toll ticket, collect tolls and cards, and receive receipts, which imposes a heavy burden on the driver.

In order to solve the above problems, AVI (Auto
A fare collection system that eliminates the need to pass tickets, cash, cards, etc. at toll booths and check barriers has been put into practical use in some countries in Europe and the United States, and has also been introduced in Japan. Is planned. In this type of toll collection system, a unique ID
A recording device that stores information and charge information is provided inside the vehicle so that the recording device can be read and written from the tollgate without contact. Examples of the form of the recording device include a portable IC card and a reading device thereof separated from each other, a unit in which the IC card and the reading device are integrally formed, and the like. I will call it.

With regard to the IC card, it is possible to select a prepaid system, a postpaid system, or a coupon ticket system according to the contract between the card user and the road administrator.
Used data and remaining charge data are stored in the card.

FIGS. 10 to 12 are views showing an example of this type of fee collection system (see Japanese Patent Laid-Open No. 5-233907).
0 is the unmanned entrance toll booth, Fig. 11 is the unattended exit toll booth, and Fig. 12
Shows an overview of the unattended check barrier.

Various devices are installed near the entrance toll booth, the exit toll booth, and the check barrier (hereinafter, these devices are collectively referred to as roadside devices),
When the vehicle passes through each toll gate or check barrier, it communicates with the vehicle to read and write information stored in the IC card and determine whether or not the vehicle can pass. For example, at the entrance toll gate, information such as the toll gate number and the passing time of the toll gate is written in the IC card. Similarly, in the check barrier, information such as the check barrier number and the check barrier passage time is written in the IC card.

In each roadside device, a vehicle determined to be illegal is photographed by a camera and used as reference data when collecting a fee, and is registered in a negative list to help prevent fraud.

On the other hand, at the exit toll gate, the information stored in the IC card of the passing vehicle, such as ID information, vehicle information, entrance toll gate information, check barrier information, etc., is read out and the information is obtained at the exit toll gate. AVI information,
The collected amount of money is calculated by collating with the passing date and time information, negative information, etc., and the fee is collected based on the remaining charge data stored in the IC card. As described above, it is not necessary to pass the toll ticket or cash at the tollgate, and it becomes possible to pass the tollgate or the check barrier nonstop.

[0013]

However, in the conventional toll collection system, the toll road fee data, vehicle information, and I information are collected every time the vehicle passes the toll gate or the check barrier.
Various information such as C card identification information, fee record information, card balance information, and toll gate information, etc. are stored in the in-vehicle communication unit or IC.
Since the information is stored inside the card, there is a possibility that this information cannot be stored in the memory when the traveling distance of the vehicle is long.

On the other hand, by providing check barriers at the entrances and exits of service areas and parking areas on toll roads, it becomes possible to finely check the vehicle staying time in the service areas, etc. As the number increases, the memory capacity increases accordingly,
As a result, there is a problem that the number of check barriers is limited.

Generally, in IC cards and the like, the total amount of memory that can be mounted is generally determined. If a large amount of memory is allocated to the check barrier information, the memory capacity allocated to other entrance toll gate information and the like will decrease, and charge management will be performed. There is a risk that it will also interfere.

It is an object of the present invention to provide a toll road toll collection device that efficiently stores check barrier information in the check barrier information storage device so that the check barrier information storage device does not run out of memory.

[0017]

The present invention will be described with reference to FIG. 1 showing an embodiment. The present invention is installed on a toll road to prevent illegal use of the toll road and to record the passage history of the toll road. Check barrier information storage devices 55 and 63 that store check barrier information that includes toll road usage charge information, vehicle travel route information, and vehicle transit time information for each check barrier, and check barrier information storage device 5
5. A toll road toll collection device including an on-vehicle communication control device for controlling the storage of check barrier information in the check barrier information storage device 5, 63 and the reading of the check barrier information from the check barrier information storage device 55, 63. When the check barrier information storage devices 55 and 63 have no free area for storing the check barrier information, the check barrier information storage devices 55 and 63 are provided with abnormality determining means for determining whether or not the check barrier information stored in the devices 55 and 63 is normal. By configuring the in-vehicle communication control device 5 to erase a part or all of the check barrier information determined to be normal by the abnormality determining means from the check barrier information storage devices 55 and 63 to create a free area. The above object is achieved. The invention according to claim 2 is the toll road charge receiving device according to claim 1, wherein the check barrier information storage devices 55, 6 are provided.
When there is no free space to store the check barrier information in 3, all the pieces of information in the pair are normal. Among the check barrier information, the entrance toll gate, the check barrier immediately after the entrance toll gate, and immediately before the current vehicle position are displayed. The vehicle-mounted communication control device 5 is configured to delete check barrier information other than the check barrier information corresponding to each certain check barrier.
It is what constitutes. The invention described in claim 3 is, in the toll road toll collection device according to claim 2, in which the check barrier information storage devices 55 and 63 are vacant after the check barrier information in which all pieces of information of the pair are normal is erased. When the area is exhausted, the vehicle-mounted communication control device 5 is configured to delete the check barrier information in which only the toll road use charge information is abnormal from the check barrier information storage devices 55 and 63. The invention according to claim 4 is the invention according to claim 3.
In the toll road toll collection device described in, when the check barrier information storage devices 55 and 63 have no free space after the check barrier information in which only the toll road usage charge information is abnormal is erased from the check barrier information storage devices 55 and 63. The check barrier information storage device 5 stores the check barrier information corresponding to the check barrier immediately before the current vehicle position.
The in-vehicle communication control device 5 is configured so as to be deleted from 5, 63. The invention according to claim 5 relates to claims 1 to 1.
In the toll road toll collection device described in 4, there is a roadside communication control device provided near the exit toll gate of the toll road and communicating with the vehicle-mounted communication control device 5, and stored in the check barrier information storage devices 55 and 63. If the check barrier information is abnormal, the roadside communication control device is configured to provide information for stopping the vehicle at the exit tollgate.

[0018]

According to the present invention, the check barrier information storage device 55, 63 stores the check barrier information for each check barrier, which includes toll road charge information, vehicle travel route information and vehicle transit time information. Then, the abnormality determining means determines whether or not there is abnormality in each check barrier information. When the check barrier information storage devices 55 and 63 have no free space to store the check barrier information, part or all of the check barrier information is erased from the check barrier information storage devices 55 and 63 to create a free space. In the invention according to claim 2, when there is no free space for storing the check barrier information in the check barrier information storage devices 55 and 63, the check barrier information in which all the three pieces of information forming a pair are normal is selected and sorted. Among the check barrier information, the check barrier information storage device 5 includes the check barrier information other than the check barrier information corresponding to each of the entrance toll gate, the check barrier immediately after the entrance toll gate, and the check barrier immediately before the current vehicle position.
It erases from 5, 63 and creates an empty area. According to the third aspect of the present invention, if the check barrier information storage devices 55 and 63 have no free space even if the check barrier information in which all the three pieces of information in the set are normal is erased, of the three pieces of information, Only the toll road usage charge information is abnormal Check barrier information Check barrier information storage device 55,
Erase from 63 to create a free area. In the invention according to claim 4, the check barrier information storage device 55 stores the check barrier information in which only the toll road usage charge information is abnormal.
Even if it is deleted from 63, the check barrier information storage device 5
When the free areas 5 and 63 run out, the check barrier information corresponding to the check barrier immediately before the current vehicle position is erased from the check barrier information storage devices 55 and 63. In the invention according to claim 5, a roadside communication control device is provided near the exit toll gate of the toll road, and if the check barrier information stored in the check barrier information storage devices 55 and 63 is abnormal, the vehicle is turned on. Stop at the exit toll gate.

Incidentally, in the section of means and action for solving the above-mentioned problems for explaining the constitution of the present invention, the drawings of the embodiments are used for the sake of easy understanding of the present invention. It is not limited to.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the toll road toll collection device according to the present invention will be described below with reference to FIGS. FIG. 1 is a block diagram of an embodiment of an in-vehicle communication unit 100 which constitutes a part of a toll road toll collection device according to the present invention. In FIG. 1, 1 is an antenna for receiving radio waves from a roadside device, which will be described later, and 2 is a transmission / reception changeover switch for switching between transmission and reception of radio waves. Reference numeral 3 is a high-frequency signal detection unit that detects the radio wave received by the antenna 1. The detected signal is input to the digital LSI 4 and decoded, and then input to the control circuit 5.

The control circuit 5 includes a CPU 51, an I / O port 52, an IC card interface 53, a ROM 54, and an R.
It is composed of an AM 55, an EEPROM 56, a clock transmitter 57, etc., and transfers the data transmitted from the roadside device and decoded by the digital LSI 4 to the IC card 6 via the IC card interface 53. IC card 6
Is composed of a CPU 61, an EEPROM 62, and a RAM 63, and stores the data transferred from the control circuit 5 in the RAM 63. The IC card 6 used in this embodiment is classified into the following 6 types according to the payment system of the toll road usage fee.

Prepaid card Postpaid card Coupon or cash voucher Prepaid priority pre / postpaid card Card that allows the user to freely select payment method Cards whose payment method changes in a predetermined order

Reference numeral 7 is a high frequency signal transmission unit for converting the data output from the control circuit 5 and encoded by the digital LSI 4 into a high frequency signal. High frequency signal transmitter 7
Converts the data from the digital LSI 4 into a high frequency signal and transmits it to the roadside device 200 via the antenna 1. 8
Is a display unit for displaying a toll road usage charge, 9 is a voice output unit for outputting insufficient charge information, and 10 is an operation unit for inputting an ID code or the like of the IC card 6. 11
Is an IGN switch for detecting ON / OFF of the ignition key, and 12 is a battery for supplying a power supply voltage to the control circuit 5.

FIG. 2A is an external view of the vehicle-mounted communication unit 100 of this embodiment. As shown, the unit body 1
A display unit 8, an operation unit 10, a speaker 14 and the like are provided on the front surface of 3, and an insertion port 15 for the IC card 6 is provided on the side surface. It should be noted that the IC card 6 and the unit 13 are arranged as shown in FIG.
It is also possible to integrally form and so that the IC card 6 cannot be inserted or removed. Further, the antenna 1, the display unit 8, the operation unit 10 and the like may be separated from the unit main body 13.

FIG. 3 is a schematic configuration diagram of a roadside device 200 provided at the entrance toll gate, the exit toll gate, and the check barrier and communicating with the vehicle-mounted communication unit 100. As shown in the figure, the roadside device 200 according to the present embodiment includes six devices including a sign 21, an antenna 22, a vehicle separator / tread 23, a camera 24, a roadside processor 25, and a display board 26. The sign 21 is for notifying the passing vehicle of the type of toll gate or check barrier, and displays information for determining whether or not the gate is for an automatic toll collection system, for example.

The vehicle separator / tread 23 determines the type of passing vehicle (for example, whether the passing vehicle is a towing vehicle or the like) by detecting the number of axles of the passing vehicle. The camera 24 is used to determine the vehicle type of a passing vehicle, and, for example, captures a vehicle for which normal communication could not be performed or a vehicle with insufficient charges. The roadside processing device 25 is connected to a center computer, and relates to roadside-vehicle information (for example, various information transmitted from the vehicle-mounted communication unit 100) and blacklist information (IC card 6 that is prohibited from use due to unauthorized use). Information) etc. are accumulated. The display board 26 displays information required by the driver of the passing vehicle, such as communication contents with the vehicle-mounted communication unit 100, toll road fee information, instruction information to the passing vehicle, and road information.

FIG. 4 shows a roadside device 20 at a check barrier.
0 is a diagram showing a communication procedure between the vehicle-mounted communication unit 100 and the vehicle-mounted communication unit 100, and the operation of the present embodiment will be described based on this diagram. When the vehicle approaches the check barrier, the radio waves transmitted from the antenna 22 of the roadside device 200 are transmitted to the vehicle-mounted communication unit 100.
The communication is started between the vehicle and the roadside device 200. Specifically, as shown in FIG.
The system information transmitted from 0 is the in-vehicle communication unit 10
When it is received by 0, the in-vehicle communication unit 100 first stores the received system information in the RAM 55.

Next, the vehicle-mounted communication unit 100 transmits the ID code information, the IC card information, etc. stored in the RAM 63 inside the IC card 6 to the roadside device 200. Specifically, the ID code information of the in-vehicle communication unit 100,
Vehicle information such as vehicle type and number of axles, IC card valid / invalid information, payment method information, balance information, postpaid information, entrance toll gate information, etc. are transmitted.

These pieces of information are input to the roadside processing device 25 inside the roadside device 200, and the roadside processing device 25 performs the following three determination processes. The toll road usage charge from the entrance toll gate to the exit toll gate immediately after the check barrier is calculated, and the amount of payment is compared with the charge that can be paid by the IC card to determine whether payment is possible. It is determined whether or not the traveling route of the passing vehicle is abnormal. Here, the judgment is made by detecting each check barrier number (or entrance toll gate number) of the check barrier which the vehicle is currently passing and the check barrier which the vehicle has just passed. From this determination, it is possible to know whether the passing vehicle is traveling in the up direction or the down direction, and it is also possible to confirm whether or not there is an abnormality in the traveling route of the vehicle. It is determined whether or not the passing time of the vehicle is abnormal. Here, the judgment is made by comparing the present time with the passing time of the check barrier (or the entrance toll gate) that the vehicle has just passed.

The roadside processing device 25 transmits the contents of the above judgment processes to the in-vehicle communication unit 100, and the in-vehicle communication unit 100 stores the above judgment processes into the RAM 5.
5 and the IC card interface 5
It is also stored in the RAM 63 inside the IC card 6 via

FIG. 5 is a diagram showing an example of the contents of the above judgment processes stored in the RAMs 55 and 63. As shown in the drawing, the RAMs 55 and 63 have the determination processing contents (1) to (3) each time the vehicle passes the check barrier.
These are called check barrier information). In FIG. 5, the mark “◯” indicates that the judgment result is normal, and the mark “x” indicates that the judgment result is abnormal or that it cannot be judged whether it is normal or abnormal. When it is not possible to judge whether it is normal or abnormal, for example, there are two exit toll gates immediately after the check barrier and one is IC
It is possible to pass by the balance of the card, but there is a case where payment is insufficient at another place.

Actually, only the judgment result such as "○" or "×" is not stored in the RAM 55, 63, and in the case of the above, the toll road usage fee to the exit toll gate immediately after the check barrier is used. Information is stored, route information such as a check barrier number is stored for the above, and passage time information from the previous check barrier to the current check barrier is stored for the above.

Assuming that the above-mentioned items are stored in the RAMs 55 and 63.
When there is no free space for storing the check barrier information of the control circuit 5 inside the vehicle-mounted communication unit 100,
Reads each piece of information stored in the RAMs 55 and 63, and selects a set in which the judgment results of all three pieces of information are normal, using the above three pieces of information as a set. However, at that time, the entrance toll gate, the exit toll gate, and the first and last check barriers are excluded from the selection. As a result,
In the case of FIG. 5A, check barriers 2, 6, and n-1 3
Places are selected. Then, the control circuit 5 stores all the information regarding the selected check barriers in the RAMs 55 and 63.
(See FIG. 5B), and the information about the new check barrier is stored in the empty area created thereby.

In the selection process, the reason why the check barrier information corresponding to the entrance toll gate and the exit toll gate is not deleted is that the toll road use charge cannot be calculated, and the first and last check barriers are not calculated. Is not deleted because it is impossible to determine the traveling direction of the vehicle or the passage time between check barriers.

When the free areas in the RAMs 55 and 63 are exhausted again after the normal check barrier information has been erased from the three pieces of information forming a set, this time the check barrier information in which only the toll road use charge information is abnormal is erased. To do. As a result, in the case of FIG. 5, the check barrier information of the check barrier 3 is erased (see FIG. 5C). Further, when the empty area runs out in this state, the check barrier information about the check barrier immediately before the current vehicle position is erased to create an empty area.

As described above, in this embodiment, every time the vehicle passes the check barrier on the toll road, the check barrier information consisting of the toll road usage charge information, the vehicle travel route information, and the vehicle transit time information is displayed. , RAM 55 of the in-vehicle communication unit 100 and RA inside the IC card 6
Store in M63. Then, when there is no free space in the RAM 55, 63, the check barrier information in which the above three pieces of information are all normal is erased from the RAM 55, 63 to create a free space. If the free space still runs out, the check barrier information, which is abnormal only in the toll road usage charge information, is deleted this time. When the empty area runs out in this state, the check barrier information about the check barrier immediately before the current vehicle position is deleted to create an empty area.

As described above, since the normal check barrier information is erased in order to create the empty areas in the RAMs 55 and 63, important information indicating the abnormal portion can be left in the RAMs 55 and 63, and the RAMs 55 and 63 can be effectively used. it can. In addition, information that is indispensable for calculating tolls, such as entrance toll gate information and exit toll gate information, is always left, so even if the check barrier information is partially deleted, the toll road usage charge and vehicle travel history can be accurately grasped. .

In the above embodiment, the vehicle-mounted communication unit 100 is used.
Although the example in which the check barrier information is stored in both the internal RAM 55 and the RAM 63 of the IC card 6 has been described, the check barrier information may be stored in only one of them, for example, only the RAM 63 of the IC card 6.

In the embodiment constructed as described above, R
The AMs 55 and 63 correspond to the check barrier information storage device, and the control circuit 5 corresponds to the vehicle-mounted communication control device.

[0040]

As described above in detail, according to the present invention, when there is no free area for storing check barrier information in the check barrier information storage device, the check barrier information having no abnormality is erased to be free. Since the area is created, the check barrier information can be efficiently stored in the check barrier information storage device. Further, since the abnormal check barrier information is not erased, it is possible to accurately identify the abnormal portion and surely prevent the illegal use of the toll road. According to the invention of claim 2, the check barrier information at the entrance toll gate is not erased,
The toll road charge from the entrance toll gate can be accurately grasped. Further, since the check barrier information corresponding to the check barrier immediately after the entrance toll gate is not erased, the traveling direction of the vehicle can be accurately detected. Further, since the check barrier information corresponding to the check barrier immediately before the current vehicle position is not erased, the vehicle transit time between the check barriers can be accurately detected and the charge management to the exit toll gate can be performed correctly. According to the third aspect of the present invention, when the check barrier information storage device runs out of free space, first, the check barrier information in which all three pieces of information are normal is erased, and then only the toll road usage charge information is obtained. Since the abnormal check barrier information is deleted, the check barrier information can be deleted in order from the unimportant check barrier information, and the important information can be collected in the check barrier information storage device. According to the invention described in claim 4, when the check barrier information storage device has no more free space, the check barrier information corresponding to the check barrier immediately before the current vehicle position is erased to create a free space. Only important check barrier information within the distance section can be stored in the check barrier information storage device. According to the invention of claim 5, when the check barrier information stored in the check barrier information storage device is abnormal, the vehicle is stopped at the exit toll gate.
Unauthorized use of toll roads can be reliably prevented. In addition, since it is possible to determine whether or not the check is fraudulent only by the check barrier information stored in the check barrier information storage device, the fraud detection can be performed easily and quickly.

[Brief description of drawings]

FIG. 1 is a block diagram of an embodiment of an in-vehicle communication unit that constitutes a part of a toll road toll collection device according to the present invention.

FIG. 2 is an external view of a vehicle-mounted communication unit according to the present embodiment.

FIG. 3 is a schematic configuration diagram of a roadside device that communicates with an in-vehicle communication unit.

FIG. 4 is a diagram showing a communication procedure between a roadside device and a vehicle-mounted communication unit at a check barrier.

FIG. 5 is a diagram showing check barrier information stored in a RAM.

FIG. 6 is a schematic configuration diagram of a conventional toll road toll collection device.

FIG. 7 is a schematic configuration diagram of a conventional toll road toll collection device at an entrance toll gate equipped with a vehicle type identification device.

FIG. 8 is a schematic configuration diagram of a conventional toll road toll collection device at an exit toll gate.

FIG. 9 is a schematic configuration diagram of a conventional toll road toll collection device in a check barrier.

FIG. 10 is a schematic configuration diagram of an unattended entrance toll gate disclosed in Japanese Patent Laid-Open No. 5-233907.

FIG. 11 is a schematic configuration diagram of an unmanned exit toll gate disclosed in Japanese Patent Laid-Open No. 5-233907.

FIG. 12 is a schematic configuration diagram of an unmanned check barrier disclosed in Japanese Patent Laid-Open No. 5-233907.

[Explanation of symbols]

 5 Control Circuit 6 IC Card 8 Display 25 Roadside Processing Device 26 Display Board 100 In-Vehicle Communication Unit 200 Roadside Equipment

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Claims (5)

[Claims] 1. Toll road usage charge information, vehicle travel route information, and vehicle transit time information are grouped for each check barrier installed on the toll road to prevent unauthorized use of the toll road and record the toll road travel history. Check barrier information storage device for storing check barrier information, and in-vehicle communication control for controlling storage of the check barrier information in the check barrier information storage device and reading of the check barrier information from the check barrier information storage device A toll road toll collection device, comprising: an abnormality determination means for determining whether or not the check barrier information stored in the check barrier information storage device is abnormal. If the check barrier information storage device has no free area for storing the check barrier information, Is configured to delete a part or all of the check barrier information determined to be normal by the abnormality determining means from the check barrier information storage device to create the empty area, and a toll road toll collection device. . 2. The toll road toll collection device according to claim 1, wherein the vehicle-mounted communication control device forms the group when the check barrier information storage device has no free space to store the check barrier information. Check barrier information other than the check barrier information corresponding to the entrance toll gate, the check barrier immediately after the entrance toll gate, and the check barrier immediately before the current vehicle position among the check barrier information in which all of the information is normal A toll road toll collection device characterized by erasing. 3. The toll road toll collection device according to claim 2, wherein the in-vehicle communication control device erases the check barrier information in which all the pieces of information of the group are normal and then the check barrier information. A toll road toll collection device, characterized in that, when the storage device runs out of free space, the check barrier information in which only the toll road usage charge information is abnormal is deleted from the check barrier information memory device. 4. The toll road toll collection apparatus according to claim 3, wherein the vehicle-mounted communication control device erases the check barrier information in which only the toll road use fee information is abnormal from the check barrier information storage device. A toll road toll collection device, characterized in that when the empty space is exhausted in the check barrier information storage device later, the check barrier information corresponding to the check barrier immediately before the current vehicle position is erased from the check barrier information storage device. 5. The toll road toll collection device according to claim 1, further comprising: a roadside communication control device provided near an exit tollgate of the toll road and communicating with the vehicle-mounted communication control device. The control device provides information for stopping the vehicle at the exit toll gate when there is an abnormality in the check barrier information stored in the check barrier information storage device. apparatus.