Expressway CPC card passing vehicle in-transit pre-charging method and system

Abstract

The invention discloses an expressway CPC card passing vehicle in-transit pre-charging method and system, and relates to the technical field of expressways, and the expressway CPC card passing vehicle in-transit pre-charging method comprises the following steps: step 1, toll station cloud transformation, step 2, lane online charging, and step 3, CPC pre-charging. Based on a WeChat applet platform, the online payment submitting function of the CPC vehicle is achieved, the time needed when the vehicle passes through a lane is greatly shortened through the function, and therefore the efficiency of the vehicle passing through a highway is remarkably improved, in this way, a vehicle user can obtain the predicted passing cost in real time in the driving process, and the user experience is improved. And the payment operation is completed through the WeChat applet before the highway arrives at the toll station, so that the passing efficiency of the toll station is improved, more convenient passing experience is brought to the user, and the problem of low passing efficiency of the highway is effectively solved.

Description

Technical Field

[0001] The present invention relates to the technical field of expressways, and in particular to an on-the-way toll estimation method and system for vehicles using CPC cards on expressways. Background Art

[0002] After the cancellation of provincial toll stations on expressways, the distance of expressway networking has become longer and longer, and the ETC infrastructure has become more and more extensive. The problem of missing physical points of passing vehicles due to differences in hardware performance across the network and malicious shielding by users has become more and more prominent. In order to support the normal toll collection work of exit toll stations under special circumstances, various provinces have built provincial online billing service platforms, which use the data of vehicle gantry identification, license plate recognition, etc., combined with traditional computing connectivity algorithms to derive a unique OD path, basically meeting the billing support for special business in a single province.

[0003] The existing technology has the following problems:

[0004] However, for vehicles using CPC cards, a lot of time is currently spent on toll payment. When the traffic volume is large and the lane is congested, other vehicles in the lane can only passively queue up and wait for processing, and the lane's passing efficiency needs to be improved. Summary of the invention

[0005] The present invention provides a method and system for estimating tolls on the way for vehicles using CPC cards on highways, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0007] In a first aspect, the present invention provides a method for estimating tolls on the way for vehicles using CPC cards on expressways, the method comprising the following steps:

[0008] Step 1: Cloud transformation of toll stations: Complete the cloud upgrade of hardware facilities and software systems of toll stations, deploy gantry backend services, realize data sharing with station-level toll collection systems, and develop or upgrade station-level toll collection systems to enable them to extract key information from transaction flows;

[0009] Step 2: Lane online billing: Integrate the station-level charging system with the online billing platform, develop a billing result cache mechanism to ensure the real-time availability of billing results, and upgrade the field control service at the front end of the lane to support online billing processing for CPC vehicles;

[0010] Step 3: CPC prepayment: Develop a WeChat mini program, integrate active payment functions, test the mini program to ensure its stability and security, promote the use of the mini program, enhance users' awareness of prepayment through user guidance and publicity and education, monitor the use of the mini program, collect user feedback, and continuously optimize the mini program functions.

[0011] In the second aspect, the present invention also provides an in-transit toll prepayment system for vehicles using CPC cards on highways, including a gantry background service, a station-level toll collection system, an online billing platform, a prepayment applet and background, lane software, and a network strategy.

[0012] A further improvement of the technical solution of the present invention is that a new data forwarding configuration will be added to the gantry background system in the gantry background service to forward the transaction data and license plate recognition data of the main line gantry closest to the toll station to the station-level fee collection system.

[0013] Further improvements to the technical solution of the present invention are: the station-level toll collection system has added the ability to receive mainline gantry transaction data and plate recognition data in real time, added the ability to extract gantry flow, call online billing platform services, obtain and cache billing results, added the ability to extract gantry plate recognition flow in the absence of gantry flow, complete online billing and cache billing results, added the ability to compare vehicle information and entrance information uploaded at the front end of the lane, and screen online estimated billing results, added the ability to upload billing flow to the WeChat applet backend and receive deduction results.

[0014] The further improvement of the technical solution of the present invention is that: the station-level charging system includes gantry data reception, online charging based on gantry transactions, online charging based on gantry plate recognition, and lane business transformation;

[0015] In the gantry data receiving process, the gantry background service polls the transaction data table every 3 seconds, and uploads the gantry transactions and license plate recognition transactions to the toll station level service in the form of HTTP POST. The station level service receives the data uploaded by the gantry background according to the data transmission format, parses the vehicle information and entrance information therein, and waits for the network intelligent connection service to be called for billing;

[0016] The station-level charging system based on gantry transaction online charging calls the online charging service platform interface to complete the charging according to the entry information and vehicle information of the received gantry transaction flow, and caches the charging result in redis for use when waiting for the vehicle to enter the lane. The redis cache data key is the license plate number, the value is the json string of the charging result, and the cache time is set to 30 minutes;

[0017] After receiving the gantry license plate recognition flow, the station-level charging system based on the online charging billing system will use the license plate recognition license plate to query the billing cache result after a delay of 6 seconds. If the online billing flow of the vehicle exists, no processing will be performed. If the billing cache result does not exist, the online billing platform interface will be called using the license plate number to complete the billing, and the result will be cached waiting for the lane to be used.

[0018] During the lane business transformation, after the station-level toll collection system receives the lane billing request, for CPC vehicles, the card number + license plate number is first used to query whether there is a CPC expected transaction. If so, the barrier is directly lifted to quickly release the vehicle. For vehicles without CPC expected transactions and ETC vehicles, the license plate is used to query whether there is a gantry estimated fee cache. If there is a cached transaction and the entry station HEX code and entry time of the cached transaction are consistent with the media content read by the lane, the cached estimated fee result is directly returned, and the lane deducts the fee according to the billing amount. Otherwise, it is processed in the traditional media method of the lane.

[0019] The further improvement of the technical solution of the present invention is that: the online billing platform includes accurate path billing and license plate-based online billing;

[0020] The precise path billing adds an online billing service interface for toll stations. The station-level toll collection system uploads the necessary vehicle information, entrance information, and exit information to the online billing platform. The platform combines the vehicle's in-transit data consisting of the gantry transaction flow and the license plate recognition flow, and accurately restores the vehicle's travel trajectory and calculates the toll through the path exploration algorithm and AI planning engine based on the road network connectivity topological relationship network. When the vehicle's in-transit data is empty, the online billing platform fits the travel path between the entrance station and the exit station through an algorithm;

[0021] In the above-mentioned online billing based on license plates, since there is a certain probability of transaction failure in the gantry, in order to further improve the availability of online billing, the online billing service platform has added a billing service interface based on license plates. The vehicle's entrance station and gantry information are queried through the license plate recognition results, the vehicle's precise driving path is restored, and the toll is calculated. The station-level service determines the itinerary by comparing the billing results with the license plate, entrance station, and entrance time read from the medium by the lane, and uses the billing results.

[0022] A further improvement to the technical solution of the present invention is that a new prepayment mini program and mini program background are added to the prepayment mini program and background, the CPC billing flow generated by the receiving station-level system is connected to the WeChat background authentication and payment capabilities. When the vehicle passes through the main line gantry, the user can pay the toll in advance on the mini program and quickly release the vehicle by paying the card on the lane side. CPC prepayment is mainly divided into two scenarios: active payment and pay first and pay later.

[0023] A further improvement of the technical solution of the present invention is that: in the active payment, the user does not need to perform special operations in the WeChat applet before passing the toll road. When the vehicle passes the nearest mainline gantry of the toll station, the user can actively query the travel information through the license plate on the WeChat applet and complete the toll payment;

[0024] In the pay-later method, the user collects a CPC card at the entrance toll station and enters the highway. When the vehicle reaches the main line gantry near the exit, the gantry antenna reads the CPC medium information and uploads it to the station-level service for online billing. The station-level service completes the toll calculation based on the CPC medium information and generates cached transaction data. The user logs in to the WeChat applet and enters the license plate information to query the itinerary associated with the license plate. After verifying the itinerary information, the user can actively complete the toll payment on the WeChat applet. When the vehicle drives into the lane, the lane antenna or card reader reads the CPC card again, and determines whether the vehicle has a pre-transaction based on the CPC card number. If so, the card is retrieved and the barrier is lifted to allow the vehicle to pass; if not, the vehicle is charged and released according to the ordinary CPC card process.

[0025] A further improvement of the technical solution of the present invention is that the lane software includes a self-service terminal upgrade and an MTC front-end upgrade. In the self-service terminal upgrade, the self-service terminal software is upgraded to realize the recovery of the pass card according to the CPC pre-transaction flow and quick release. In the MTC front-end upgrade, the MTC front-end software is upgraded to realize the quick release according to the CPC pre-transaction flow.

[0026] A further improvement of the technical solution of the present invention is that the communication network between the station-level charging system and the online billing platform in the network strategy reuses the existing link and domain name of the gantry management configuration platform, a dedicated line connection is adopted between the private cloud and the toll-free network, the private cloud has a registered public domain name and address, and has a strategy for accessing the WeChat public platform.

[0027] Due to the adoption of the above technical solution, the present invention has the following technical advances compared with the prior art:

[0028] 1. The present invention provides a method and system for estimating tolls on the way for vehicles using CPC cards on highways. The method relies on the sharing mechanism of mainline gantry data and utilizes the physical space distance between the mainline gantry and the lane to exchange for the time efficiency of transaction processing, thereby realizing an accurate path charging function that fully covers all lanes including ETC dedicated lanes. In the charging system, the charging method is mainly online charging, while traditional media charging is used as an auxiliary means. In this way, the time advantage of estimating tolls can be fully utilized, thereby improving the overall charging efficiency.

[0029] 2. The present invention provides a method and system for on-the-way toll estimation for vehicles using CPC cards on highways. Relying on the WeChat mini-program platform, the online submission and payment function of CPC vehicles is realized. This function greatly reduces the time required for vehicles to pass through lanes, thereby significantly improving the efficiency of vehicles passing through highways. In this way, vehicle users can obtain estimated tolls in real time during driving, and complete the payment operation through the WeChat mini-program before arriving at the toll station. This not only improves the traffic efficiency of toll stations, but also brings users a more convenient traffic experience, effectively solving the problem of low traffic efficiency on highways. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a system architecture diagram of the present invention;

[0031] Figure 2 is a flow chart of the toll booth level system of the present invention;

[0032] Figure 3 This is the active payment flow chart of the present invention;

[0033] Figure 4 It is the WeChat applet login registration diagram of the present invention;

[0034] Figure 5 This is the WeChat applet active payment flow chart of the present invention;

[0035] Figure 6 Schematic diagram of network topology of the present invention. DETAILED DESCRIPTION

[0036] The present invention is further described in detail below in conjunction with embodiments:

[0037] Example 1

[0038] In a first aspect, the present invention provides a method for estimating tolls on the way for vehicles using CPC cards on expressways, the method comprising the following steps:

[0039] Step 1: Cloud transformation of toll stations: Complete the cloud upgrade of hardware facilities and software systems of toll stations, deploy gantry backend services, realize data sharing with station-level toll collection systems, and develop or upgrade station-level toll collection systems to enable them to extract key information from transaction flows;

[0040] Step 2: Lane online billing: Integrate the station-level charging system with the online billing platform, develop a billing result cache mechanism to ensure the real-time availability of billing results, and upgrade the field control service at the front end of the lane to support online billing processing for CPC vehicles;

[0041] Step 3: CPC prepayment: Develop a WeChat mini program, integrate active payment functions, test the mini program to ensure its stability and security, promote the use of the mini program, enhance users' awareness of prepayment through user guidance and publicity and education, monitor the use of the mini program, collect user feedback, and continuously optimize the mini program functions.

[0042] In this embodiment, the toll system upgrade and efficiency improvement were successfully achieved through the three-stage implementation of toll station cloud transformation, lane online billing and CPC prepayment. The cloud upgrade ensures data sharing and transaction flow information extraction, and the online billing integration and front-end service upgrade improve the real-time billing and CPC vehicle processing capabilities. The launch of WeChat applet simplifies the prepayment process and improves the user payment experience. The overall optimization improves the toll station traffic efficiency, reduces operating costs, and provides users with convenient and efficient travel services.

[0043] Example 2

[0044] Second, as Figure 1-6 As shown, the present invention also provides an on-the-way toll prepayment system for vehicles using CPC cards on highways, including a gantry background service, a station-level toll collection system, an online billing platform, a prepayment applet and background, lane software, and a network strategy.

[0045] In the gantry backend service for forwarding license plate data, a new data forwarding configuration will be added to the gantry backend system to forward the transaction data and license plate data of the mainline gantry closest to the toll station to the station-level toll collection system;

[0046] The license plate recognition data forwarding station-level charging system has added the ability to receive mainline gantry transaction data and license plate recognition data in real time, added the ability to extract gantry transactions, call online billing platform services, obtain and cache billing results, added the ability to extract gantry license plate recognition transactions in the absence of gantry transactions, complete online billing and cache billing results, added the ability to compare vehicle information and entry information uploaded at the front end of the lane, and filter online estimated billing results, added the ability to upload billing transactions to the WeChat mini-program backend and receive deduction results.

[0047] The station-level charging system for license plate recognition data forwarding includes gantry data reception, online billing based on gantry transactions, online billing based on gantry license plate recognition, and lane business transformation;

[0048] In the process of forwarding license plate data and receiving gantry data, the gantry backend service polls the transaction data table every 3 seconds, and uploads the gantry transactions and license plate recognition transactions to the toll station-level service in the form of HTTP POST. The station-level service receives the data uploaded by the gantry backend in the data transmission format, parses the vehicle information and entrance information, and waits for the call of the network intelligent connection service for billing;

[0049] The license plate recognition data forwarding is based on the online billing of gantry transactions. The station-level charging system calls the online billing service platform interface to complete the billing according to the entry information and vehicle information of the gantry transaction flow received, and caches the billing result in redis, which is used when waiting for the vehicle to enter the lane. The redis cache data key is the license plate number, and the value is the json string of the billing result. The cache time is set to 30 minutes.

[0050] After receiving the gantry license plate recognition flow, the station-level charging system uses the license plate recognition license plate to query the billing cache result after a delay of 6 seconds. If the online billing flow of the vehicle exists, no processing is performed. If the billing cache result does not exist, the online billing platform interface is called using the license plate number to complete the billing, and the result is cached and waits for the lane to be used;

[0051] During the transformation of the license plate data forwarding lane business, after the station-level toll collection system receives the lane billing request, for CPC vehicles, the card number + license plate number is first used to query whether there is a CPC expected transaction. If so, the barrier is directly lifted to quickly release the vehicle. For vehicles without CPC expected transactions and ETC vehicles, the license plate is used to query whether there is a gantry estimated charging cache. If there is a cached transaction and the entry station HEX code and entry time of the cached transaction are consistent with the media content read by the lane, the cached estimated charging result is directly returned, and the lane deducts the fee according to the billing amount. Otherwise, it is processed according to the traditional media method of the lane.

[0052] The online billing platform for license plate recognition data forwarding includes precise path billing and license plate-based online billing;

[0053] A new online billing service interface for toll stations is added in the precise path billing for forwarding license plate data. The station-level toll collection system uploads the necessary vehicle information, entrance information, and exit information to the online billing platform. The platform combines the vehicle's in-transit data consisting of gantry transaction flow and license plate recognition flow, and accurately restores the vehicle's travel trajectory and calculates the toll through the path exploration algorithm and AI planning engine based on the topological relationship network of road network connectivity. When the vehicle's in-transit data is empty, the online billing platform fits the travel path between the entrance station and the exit station through an algorithm;

[0054] In the online billing based on license plate data forwarding, there is a certain probability of transaction failure in the gantry. In order to further improve the availability of online billing, the online billing service platform has added a billing service interface based on license plates. The vehicle's entrance station and gantry information are queried through the license plate recognition results, the vehicle's precise driving path is restored, and the toll is calculated. The station-level service determines the itinerary by comparing the billing results with the license plate, entrance station, and entrance time read from the medium by the lane, and uses the billing results.

[0055] A new prepayment mini program and mini program background have been added to forward license plate data. The CPC billing flow generated by the receiving station-level system is connected to the WeChat background authentication and payment capabilities. When the vehicle passes through the main line gantry, the user can pay the toll in advance on the mini program and quickly release the vehicle by paying the card on the lane side. CPC prepayment is mainly divided into two scenarios: active payment and pay first and pay later.

[0056] In the active payment mode of license plate data forwarding, users do not need to perform special operations in the WeChat Mini Program before passing through the toll road. When the vehicle passes the nearest mainline gantry of the toll station, the user can actively query the trip information through the license plate on the WeChat Mini Program and complete the toll payment;

[0057] In the pay-later license plate data forwarding system, users collect CPC cards at the entrance toll station and enter the highway. When the vehicle reaches the main line gantry near the exit, the gantry antenna reads the CPC medium information and uploads it to the station-level service for online billing. The station-level service completes the toll calculation based on the CPC medium information and generates cached transaction data. The user logs in to the WeChat applet and enters the license plate information to query the itinerary associated with the license plate. After verifying the itinerary information, he can actively complete the toll payment on the WeChat applet. When the vehicle drives into the lane, the lane antenna or card reader reads the CPC card again, and determines whether the vehicle has a pre-transaction based on the CPC card number. If so, the card is retrieved and the barrier is lifted to allow the vehicle to pass; if not, the vehicle is charged and released according to the ordinary CPC card process.

[0058] The license plate data forwarding lane software includes self-service terminal upgrade and MTC front-end upgrade. During the license plate data forwarding self-service terminal upgrade, the self-service terminal software is upgraded to realize the recovery of pass cards according to the CPC pre-transaction flow and quick release. During the license plate data forwarding MTC front-end upgrade, the MTC front-end software is upgraded to realize quick release according to the CPC pre-transaction flow.

[0059] In the data forwarding network strategy for plate recognition, the communication network between the station-level charging system and the online billing platform reuses the existing links and domain names of the gantry management configuration platform. A dedicated line is used between the private cloud and the toll-dedicated network. The private cloud has a registered public domain name and address, and has a strategy for accessing the WeChat public platform.

[0060] In this embodiment, the highway CPC card vehicle charging system collects vehicle data in real time through advanced gantry background services to provide accurate basis for charging. It also uses the station-level charging system to efficiently process and generate charging requests to ensure that every fee is accurate. The seamless integration of the online charging platform and the bank payment system provides users with a variety of payment methods, further improving the convenience of payment. At the same time, the introduction of the prepayment applet allows users to complete payment anytime and anywhere, greatly simplifying the payment process and improving the user experience. Lane software, as the core support of the new billing process, not only ensures real-time synchronization of data, but also improves the speed and accuracy of data processing by optimizing algorithms. In addition, the system also continuously optimizes network strategies, improves the efficiency and security of data transmission, and provides a solid technical guarantee for vehicle traffic;

[0061] In summary, the license plate data forwarding and highway CPC card vehicle charging system, with its high efficiency, accuracy and convenience, has injected new vitality into modern traffic management, effectively improved traffic efficiency, and brought more comfortable and convenient travel experience to drivers and passengers.

[0062] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. The method for estimating the tolls on the expressway CPC card for vehicles is characterized by: The on-the-way toll estimation method for vehicles using CPC cards on expressways includes the following steps: Step 1: Cloud transformation of toll stations: Complete the cloud upgrade of hardware facilities and software systems of toll stations, deploy gantry backend services, realize data sharing with station-level toll collection systems, and develop or upgrade station-level toll collection systems to enable them to extract key information from transaction flows; Step 2: Lane online billing: Integrate the station-level charging system with the online billing platform, develop a billing result cache mechanism to ensure the real-time availability of billing results, and upgrade the field control service at the front end of the lane to support online billing processing for CPC vehicles; Step 3: CPC prepayment: Develop a WeChat mini program, integrate active payment functions, test the mini program to ensure its stability and security, promote the use of the mini program, enhance users' awareness of prepayment through user guidance and publicity and education, monitor the use of the mini program, collect user feedback, and continuously optimize the mini program functions.

2. The on-the-way toll estimation system for CPC card vehicles on expressways is characterized by: It includes gantry backend services, station-level charging system, online billing platform, prepayment app and backend, lane software, and network strategy.

3. The on-the-way toll estimation system for CPC card vehicles on expressways according to claim 2 is characterized by: The gantry background service will add a new data forwarding configuration in the gantry background system to forward the main line gantry transaction data and license plate recognition data closest to the toll station to the station-level fee collection system.

4. The on-the-way toll estimation system for CPC card vehicles on highways according to claim 2 is characterized by: The station-level toll collection system has added the ability to receive mainline gantry transaction data and plate recognition data in real time, added the ability to extract gantry flow, call online billing platform services, obtain and cache billing results, added the ability to extract gantry plate recognition flow in the absence of gantry flow, complete online billing and cache billing results, added the ability to compare vehicle information and entry information uploaded at the front end of the lane, and filter online estimated billing results, added the ability to upload billing flow to the WeChat mini-program backend and receive deduction results.

5. The on-the-way toll estimation system for CPC card vehicles on expressways according to claim 4 is characterized by: The station-level charging system includes gantry data reception, online billing based on gantry transactions, online billing based on gantry plate recognition, and lane business transformation; In the gantry data receiving process, the gantry background service polls the transaction data table every 3 seconds, and uploads the gantry transactions and license plate recognition transactions to the toll station level service in the form of HTTP POST. The station level service receives the data uploaded by the gantry background according to the data transmission format, parses the vehicle information and entrance information therein, and waits for the network intelligent connection service to be called for billing; The station-level charging system based on gantry transaction online charging calls the online charging service platform interface to complete the charging according to the entry information and vehicle information of the received gantry transaction flow, and caches the charging result in redis for use when waiting for the vehicle to enter the lane. The redis cache data key is the license plate number, and the value is the charging result json string. The cache time is set to 30 minutes; After receiving the gantry license plate recognition flow, the station-level charging system based on the online charging billing system will use the license plate recognition license plate to query the billing cache result after a delay of 6 seconds. If the online billing flow of the vehicle exists, no processing will be performed. If the billing cache result does not exist, the online billing platform interface will be called using the license plate number to complete the billing, and the result will be cached waiting for the lane to be used. During the lane business transformation, after the station-level toll collection system receives the lane billing request, for CPC vehicles, the card number + license plate number is first used to query whether there is a CPC expected transaction. If so, the barrier is directly lifted to quickly release the vehicle. For vehicles without CPC expected transactions and ETC vehicles, the license plate is used to query whether there is a gantry estimated fee cache. If there is a cached transaction and the entry station HEX code and entry time of the cached transaction are consistent with the media content read by the lane, the cached estimated fee result is directly returned, and the lane deducts the fee according to the billing amount. Otherwise, it is processed in the traditional media method of the lane.

6. The on-the-way toll estimation system for CPC card vehicles on expressways according to claim 2 is characterized by: The online billing platform includes accurate path billing and license plate-based online billing; The precise path billing adds an online billing service interface for toll stations. The station-level toll collection system uploads the necessary vehicle information, entrance information, and exit information to the online billing platform. The platform combines the vehicle's in-transit data consisting of the gantry transaction flow and the license plate recognition flow, and accurately restores the vehicle's travel trajectory and calculates the toll through the path exploration algorithm and AI planning engine based on the road network connectivity topological relationship network. When the vehicle's in-transit data is empty, the online billing platform fits the travel path between the entrance station and the exit station through an algorithm; In the above-mentioned online billing based on license plates, since there is a certain probability of transaction failure in the gantry, in order to further improve the availability of online billing, the online billing service platform has added a billing service interface based on license plates. The vehicle's entrance station and gantry information are queried through the license plate recognition results, the vehicle's precise driving path is restored, and the toll is calculated. The station-level service determines the itinerary by comparing the billing results with the license plate, entrance station, and entrance time read from the medium by the lane, and uses the billing results.

7. The on-the-way toll estimation system for CPC card vehicles on expressways according to claim 2 is characterized by: The prepayment mini program and background newly added prepayment mini program and mini program background receive the CPC billing flow generated by the station-level system, and connect to the WeChat background authentication and payment capabilities. When the vehicle passes through the main line gantry, the user can pay the toll in advance on the mini program and pay the card on the lane side for quick release. CPC prepayment is mainly divided into two scenarios: active payment and pay first and then pay.

8. The on-the-way toll estimation system for CPC card vehicles on expressways according to claim 7 is characterized by: In the active payment method, users do not need to perform special operations in the WeChat Mini Program before passing through the toll road. After the vehicle passes the nearest mainline gantry at the toll station, the user can actively query the trip information through the license plate on the WeChat Mini Program and complete the toll payment. In the pay-later method, the user collects a CPC card at the entrance toll station and enters the highway. When the vehicle reaches the main line gantry near the exit, the gantry antenna reads the CPC medium information and uploads it to the station-level service for online billing. The station-level service completes the toll calculation based on the CPC medium information and generates cached transaction data. The user logs in to the WeChat applet and enters the license plate information to query the itinerary associated with the license plate. After verifying the itinerary information, the user can actively complete the toll payment on the WeChat applet. When the vehicle drives into the lane, the lane antenna or card reader reads the CPC card again, and determines whether the vehicle has a pre-transaction based on the CPC card number. If so, the card is retrieved and the barrier is lifted to allow the vehicle to pass; if not, the vehicle is charged and released according to the ordinary CPC card process.

9. The on-the-way toll estimation system for CPC card vehicles on expressways according to claim 2 is characterized by: The lane software includes self-service terminal upgrade and MTC front-end upgrade. The self-service terminal upgrade upgrades the self-service terminal software to realize the recovery of pass cards according to CPC pre-transaction flow and quick release. The MTC front-end upgrade upgrades the MTC front-end software to realize quick release according to CPC pre-transaction flow.

10. The on-the-way toll estimation system for CPC card vehicles on expressways according to claim 2 is characterized by: In the network strategy, the communication network between the station-level charging system and the online billing platform reuses the existing links and domain names of the gantry management configuration platform. A dedicated line is used between the private cloud and the toll-free network. The private cloud has a registered public domain name and address, and has a strategy for accessing the WeChat public platform.

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