CN111127893A - Expressway service area traffic control method based on vehicle-road cooperation technology - Google Patents
Expressway service area traffic control method based on vehicle-road cooperation technology Download PDFInfo
- Publication number
- CN111127893A CN111127893A CN201911395447.2A CN201911395447A CN111127893A CN 111127893 A CN111127893 A CN 111127893A CN 201911395447 A CN201911395447 A CN 201911395447A CN 111127893 A CN111127893 A CN 111127893A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- parking
- service area
- navigation
- vehicles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/145—Traffic control systems for road vehicles indicating individual free spaces in parking areas where the indication depends on the parking areas
- G08G1/148—Management of a network of parking areas
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Navigation (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a traffic control method for a highway service area based on a vehicle-road cooperation technology, which comprises the following steps: s1: acquiring vehicle information of vehicles in a monitoring area, wherein the vehicle information comprises vehicle types, traveling destinations and fuel/electric energy surplus; s2: establishing a service area map model comprising parking position and parking types matched with the parking positions, guiding vehicles entering a service area to an appointed parking position according to the service area map model, and detecting the running state of the vehicles parked at the appointed parking position; s3: when the starting of the vehicle is detected, judging whether the vehicle has enough endurance mileage according to the destination of the vehicle and the residual fuel amount, and if the vehicle does not have enough endurance mileage, respectively guiding different types of vehicles to a refueling point or a charging parking space of a service area; otherwise, the vehicle running navigation is directly provided.
Description
Technical Field
The invention relates to a traffic control method for a highway service area based on a vehicle-road cooperation technology.
Background
At present, a highway service area basically has no traffic control measures, and only a small number of service areas are provided with LED variable information signs about 1km before an entrance to issue spare parking space information. After the vehicle enters the service area, most of the situations are self-searching for the parking space, and valuable traffic information is obtained in the service area very limitedly.
The main problems that exist are: (1) the traffic control measures are weak, and large traffic safety hidden dangers exist; (2) in holidays, the traffic order in the service area is disordered, and private cars are parked randomly; (3) the service quality is not high, and the personalized information service needs to be improved.
Disclosure of Invention
The invention aims to provide a traffic control method for a highway service area based on a vehicle-road cooperation technology, and aims to solve the problems of weak traffic control measures and low service quality of the conventional service area.
In order to solve the technical problem, the invention provides a traffic control method for a highway service area based on a vehicle-road cooperation technology, which comprises the following steps of:
s1: acquiring vehicle information of vehicles in a monitoring area, wherein the vehicle information comprises vehicle types, traveling destinations and fuel/electric energy surplus;
s2: establishing a service area map model comprising parking position and parking types matched with the parking positions, guiding vehicles entering a service area to an appointed parking position according to the service area map model, and detecting the running state of the vehicles parked at the appointed parking position;
s3: when the starting of the vehicle is detected, judging whether the vehicle has enough endurance mileage according to the destination of the vehicle and the residual fuel amount, and if the vehicle does not have enough endurance mileage, respectively guiding different types of vehicles to a refueling point or a charging parking space of a service area; otherwise, the vehicle running navigation is directly provided.
Further, the step S2 specifically includes:
s21: establishing a service area map model, acquiring all parking positions of the service area and parking types matched with the parking positions, and configuring the acquired parking position information into the service area map model;
s22: detecting whether each parking space is parked with a vehicle or not, and if the parking space is parked with the vehicle, hiding the parking space in the service area map model; otherwise, marking the parking space as a navigation target of the vehicle parking spot in the service area map model;
s23: when the vehicle is detected to enter the service area, the designated parking spaces matched with the vehicle type of the current vehicle are found out from all marked vehicle parking spots, and then one of the designated parking spaces is selected as a navigation target to plan a parking path for the driver, so that parking navigation is provided.
Further, in step S23, when it is detected that the new energy vehicle enters the service area, first finding out charging parking spaces in the marked vehicle parking spots, and then selecting one of the charging parking spaces as a navigation target to plan a parking path for the driver, so as to provide parking navigation; when the freight vehicle is detected to enter the service area, firstly, the freight vehicle parking spaces are found out from the marked vehicle parking spots, and then one of the freight vehicle parking spaces is selected as a navigation target to plan a parking path for a driver, so that parking navigation is provided; when the passenger vehicle is detected to enter the service area, firstly, the parking spaces of the passenger vehicle are found out from the marked vehicle parking spots, and then one of the parking spaces of the passenger vehicle is selected as a navigation target to plan a parking path for a driver, so that parking navigation is provided.
Further, in the step S2: and when the vehicle running state is detected to be in a parking state, broadcasting corresponding service information to drivers and passengers of corresponding vehicles according to different vehicle types.
Further, the method further comprises: and acquiring a diesel oil filling point and a gasoline oil filling point of a service area, and configuring the diesel oil filling point position and the gasoline oil filling point position into the map model of the service area.
Further, the method broadcasts the running state of the vehicle through an on-board unit installed on the vehicle, and obtains the vehicle information through a road side unit erected on the roadside; and the vehicle-mounted unit and the road side unit are communicated through microwaves.
Further, the method further comprises the step of broadcasting the service area name, the service area speed limit value and the remaining number of the service area parking spaces to the vehicle-mounted unit through the road side unit.
Furthermore, the method also comprises the steps of collecting the running speed of the vehicle entering the service area, comparing the running speed of the vehicle with the service area speed limit value, and judging whether the vehicle has overspeed or not.
The invention has the beneficial effects that: according to the method and the system, vehicles entering the service area are monitored and guided, the traffic control capacity of the expressway service area is enhanced, the traffic safety risk of the service area is reduced, and efficient, safe and smooth operation of the service area can be guaranteed.
Detailed Description
A highway service area traffic control method based on a vehicle-road cooperation technology comprises the following steps:
s1: acquiring vehicle information of vehicles in a monitoring area, wherein the vehicle information comprises vehicle types, traveling destinations and fuel/electric energy surplus;
s2: establishing a service area map model comprising parking position and parking types matched with the parking positions, guiding vehicles entering a service area to an appointed parking position according to the service area map model, and detecting the running state of the vehicles parked at the appointed parking position;
s3: when the starting of the vehicle is detected, judging whether the vehicle has enough endurance mileage according to the destination of the vehicle and the residual fuel amount, and if the vehicle does not have enough endurance mileage, respectively guiding different types of vehicles to a refueling point or a charging parking space of a service area; otherwise, the vehicle running navigation is directly provided.
The method enhances the traffic control capability of the expressway service area by monitoring and guiding the vehicles entering the service area, reduces the traffic safety risk of the service area, and can ensure the efficient, safe and smooth operation of the service area.
According to an embodiment of the present application, the step S2 specifically includes:
s21: establishing a service area map model, acquiring all parking positions of the service area and parking types matched with the parking positions, and configuring the acquired parking position information into the service area map model;
s22: detecting whether each parking space is parked with a vehicle or not, and if the parking space is parked with the vehicle, hiding the parking space in the service area map model; otherwise, marking the parking space as a navigation target of the vehicle parking spot in the service area map model;
s23: when the vehicle is detected to enter the service area, the designated parking spaces matched with the vehicle type of the current vehicle are found out from all marked vehicle parking spots, and then one of the designated parking spaces is selected as a navigation target to plan a parking path for the driver, so that parking navigation is provided. When one of the designated parking spaces is selected as the navigation target to plan the parking path for the driver, the designated parking spaces can be selected as the navigation target in a random selection mode, and the designated parking spaces can be sequentially selected as the navigation targets according to a preset parking sequence.
According to the method and the device, the map model of the service area is established, and the vehicles in the service area are navigated according to the map model, so that the turnover efficiency of the service area is improved, the parking and vehicle searching time of a customer is reduced, and the user experience is improved.
According to an embodiment of the application, in step S23, when it is detected that a new energy vehicle enters a service area, charging parking spaces are first found out from marked vehicle parking spots, and then one of the charging parking spaces is selected as a navigation target to plan a parking path for a driver, so as to provide parking navigation; when the freight vehicle is detected to enter the service area, firstly, the freight vehicle parking spaces are found out from the marked vehicle parking spots, and then one of the freight vehicle parking spaces is selected as a navigation target to plan a parking path for a driver, so that parking navigation is provided; when the passenger vehicle is detected to enter the service area, firstly, the parking spaces of the passenger vehicle are found out from the marked vehicle parking spots, and then one of the parking spaces of the passenger vehicle is selected as a navigation target to plan a parking path for a driver, so that parking navigation is provided. The new energy vehicle, the freight vehicle and the passenger vehicle are respectively navigated, so that the navigation efficiency is improved.
According to an embodiment of the present application, in the step S2: and when the vehicle running state is detected to be in a parking state, broadcasting corresponding service information to drivers and passengers of corresponding vehicles according to different vehicle types. By targeting accurate service push, the push efficiency can be improved, the business income of a service area is increased,
according to an embodiment of the application, the method further comprises: and acquiring a diesel oil filling point and a gasoline oil filling point of a service area, and configuring the diesel oil filling point position and the gasoline oil filling point position into the map model of the service area. The freight vehicle is guided to enter a diesel oil filling point and the passenger vehicle is guided to enter a gasoline filling point by constructing a service area map model so as to achieve the purpose of 'diesel-gas separation' and improve the vehicle filling efficiency of the service area.
According to one embodiment of the application, the method comprises the steps that the vehicle running state is broadcasted through an on-board unit installed on a vehicle, and the vehicle information is acquired through a road side unit erected on a roadside; and the vehicle-mounted unit and the road side unit are communicated through microwaves. The vehicle-mounted unit (OBU) adopts DSRC technology, when a vehicle passes through a Road Side Unit (RSU) at a high speed, the OBU and the RSU are erected on the roadside and communicated by microwaves, the calculation rates of vehicle identity identification and the like can be realized, and toll, information broadcasting and the like are deducted. The road side unit is in communication connection with the service area monitoring center through the internet, and information interaction between the vehicle and the internet is achieved.
According to an embodiment of the application, the method further comprises the step of broadcasting the name of the service area, the speed limit value of the service area and the remaining number of parking spaces of the service area to the vehicle-mounted unit through the road side unit, so that a driver can know the information of the service area conveniently.
According to one embodiment of the application, the method further comprises the steps of collecting the running speed of the vehicle entering the service area, comparing the running speed of the vehicle with the service area speed limit value, judging whether the vehicle has overspeed or not, realizing overspeed early warning information and prompting the overspeed vehicle to slow down.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. A highway service area traffic control method based on a vehicle-road cooperation technology is characterized by comprising the following steps:
s1: acquiring vehicle information of vehicles in a monitoring area, wherein the vehicle information comprises vehicle types, traveling destinations and fuel/electric energy surplus;
s2: establishing a service area map model comprising parking position and parking types matched with the parking positions, guiding vehicles entering a service area to an appointed parking position according to the service area map model, and detecting the running state of the vehicles parked at the appointed parking position;
s3: when the starting of the vehicle is detected, judging whether the vehicle has enough endurance mileage according to the destination of the vehicle and the residual fuel amount, and if the vehicle does not have enough endurance mileage, respectively guiding different types of vehicles to a refueling point or a charging parking space of a service area; otherwise, the vehicle running navigation is directly provided.
2. The method for traffic control of a service area of a highway based on a vehicle-road coordination technology according to claim 1, wherein the step S2 specifically comprises:
s21: establishing a service area map model, acquiring all parking positions of the service area and parking types matched with the parking positions, and configuring the acquired parking position information into the service area map model;
s22: detecting whether each parking space is parked with a vehicle or not, and if the parking space is parked with the vehicle, hiding the parking space in the service area map model; otherwise, marking the parking space as a navigation target of the vehicle parking spot in the service area map model;
s23: when the vehicle is detected to enter the service area, the designated parking spaces matched with the vehicle type of the current vehicle are found out from all marked vehicle parking spots, and then one of the designated parking spaces is selected as a navigation target to plan a parking path for the driver, so that parking navigation is provided.
3. The method as claimed in claim 2, wherein in step S23, when it is detected that a new energy vehicle enters the service area, charging parking spaces are first found out from the marked vehicle parking spots, and then one of the charging parking spaces is selected as a navigation target to plan a parking path for the driver, so as to provide parking navigation; when the freight vehicle is detected to enter the service area, firstly, the freight vehicle parking spaces are found out from the marked vehicle parking spots, and then one of the freight vehicle parking spaces is selected as a navigation target to plan a parking path for a driver, so that parking navigation is provided; when the passenger vehicle is detected to enter the service area, firstly, the parking spaces of the passenger vehicle are found out from the marked vehicle parking spots, and then one of the parking spaces of the passenger vehicle is selected as a navigation target to plan a parking path for a driver, so that parking navigation is provided.
4. The method for managing and controlling traffic in a service area of a highway based on a vehicle-road coordination technology according to claim 1 or 2, wherein in the step S2: and when the vehicle running state is detected to be in a parking state, broadcasting corresponding service information to drivers and passengers of corresponding vehicles according to different vehicle types.
5. The method for managing and controlling the traffic in the service area of the expressway based on the vehicle-road coordination technology, according to claim 2, further comprising: and acquiring a diesel oil filling point and a gasoline oil filling point of a service area, and configuring the diesel oil filling point position and the gasoline oil filling point position into the map model of the service area.
6. The method for managing and controlling the traffic in the service area of the expressway based on the vehicle-road cooperation technology as claimed in claim 1, wherein the method comprises the steps of broadcasting the running state of the vehicle through an on-board unit installed on the vehicle, and acquiring the vehicle information through a roadside unit erected at the roadside; and the vehicle-mounted unit and the road side unit are communicated through microwaves.
7. The method for managing and controlling the traffic in the service area of the expressway based on the vehicle-road cooperation technology as claimed in claim 6, further comprising broadcasting the name of the service area, the speed limit value of the service area and the remaining number of parking spaces in the service area to the vehicle-mounted unit through a road side unit.
8. The method as claimed in claim 1, further comprising collecting the driving speed of the vehicle entering the service area, comparing the driving speed of the vehicle with a service area speed limit value, and determining whether the vehicle has an overspeed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395447.2A CN111127893A (en) | 2019-12-30 | 2019-12-30 | Expressway service area traffic control method based on vehicle-road cooperation technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911395447.2A CN111127893A (en) | 2019-12-30 | 2019-12-30 | Expressway service area traffic control method based on vehicle-road cooperation technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111127893A true CN111127893A (en) | 2020-05-08 |
Family
ID=70505076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911395447.2A Pending CN111127893A (en) | 2019-12-30 | 2019-12-30 | Expressway service area traffic control method based on vehicle-road cooperation technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111127893A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112907963A (en) * | 2021-01-31 | 2021-06-04 | 安徽达尔智能控制***股份有限公司 | Traffic command method and system for expressway service area |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196408A (en) * | 2006-12-08 | 2008-06-11 | 高德软件有限公司 | Navigation device for service area/parking area |
| CN202047620U (en) * | 2010-09-30 | 2011-11-23 | 上海禅德智能科技有限公司 | Automobile refueling and charging integrated service station |
| CN105043399A (en) * | 2015-06-18 | 2015-11-11 | 安徽师范大学 | Electromobile navigation method and device based on positions of charging piles |
| CN105571602A (en) * | 2015-12-21 | 2016-05-11 | 东软集团股份有限公司 | Path selection method and path selection device |
| CN105973256A (en) * | 2016-06-28 | 2016-09-28 | 深圳市元征科技股份有限公司 | Method and terminal for reminding vehicle refueling |
| CN107895506A (en) * | 2017-12-25 | 2018-04-10 | 大陆汽车投资（上海）有限公司 | A kind of parking space information method for pushing for being used to navigate |
| CN207907903U (en) * | 2017-09-27 | 2018-09-25 | 北京长城华冠汽车技术开发有限公司 | A kind of online navigation device for new energy vehicle |
| CN108683990A (en) * | 2018-08-02 | 2018-10-19 | Oppo广东移动通信有限公司 | The service subscription method and Related product of electronic device, service area |
| CN109360386A (en) * | 2018-09-12 | 2019-02-19 | 上海博泰悦臻电子设备制造有限公司 | Based reminding method, car-mounted terminal and vehicle |
| CN109556619A (en) * | 2017-09-25 | 2019-04-02 | 长城汽车股份有限公司 | It is a kind of that the method, apparatus and vehicle of group refueling information are provided |
| CN109935085A (en) * | 2019-04-29 | 2019-06-25 | 龙荟智能科技（上海）有限责任公司 | A kind of parking stall management method |
| CN209070721U (en) * | 2018-09-17 | 2019-07-05 | 河南东方世纪交通科技股份有限公司 | A kind of Expressway Service management system |
| CN110231043A (en) * | 2019-06-05 | 2019-09-13 | 上海易点时空网络有限公司 | Charge planning system and its method in new energy garage journey |
| CN110491149A (en) * | 2019-08-23 | 2019-11-22 | 深圳成谷科技有限公司 | A kind of approaches to IM of Expressway Service, device and equipment |
-
2019
- 2019-12-30 CN CN201911395447.2A patent/CN111127893A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196408A (en) * | 2006-12-08 | 2008-06-11 | 高德软件有限公司 | Navigation device for service area/parking area |
| CN202047620U (en) * | 2010-09-30 | 2011-11-23 | 上海禅德智能科技有限公司 | Automobile refueling and charging integrated service station |
| CN105043399A (en) * | 2015-06-18 | 2015-11-11 | 安徽师范大学 | Electromobile navigation method and device based on positions of charging piles |
| CN105571602A (en) * | 2015-12-21 | 2016-05-11 | 东软集团股份有限公司 | Path selection method and path selection device |
| CN105973256A (en) * | 2016-06-28 | 2016-09-28 | 深圳市元征科技股份有限公司 | Method and terminal for reminding vehicle refueling |
| CN109556619A (en) * | 2017-09-25 | 2019-04-02 | 长城汽车股份有限公司 | It is a kind of that the method, apparatus and vehicle of group refueling information are provided |
| CN207907903U (en) * | 2017-09-27 | 2018-09-25 | 北京长城华冠汽车技术开发有限公司 | A kind of online navigation device for new energy vehicle |
| CN107895506A (en) * | 2017-12-25 | 2018-04-10 | 大陆汽车投资（上海）有限公司 | A kind of parking space information method for pushing for being used to navigate |
| CN108683990A (en) * | 2018-08-02 | 2018-10-19 | Oppo广东移动通信有限公司 | The service subscription method and Related product of electronic device, service area |
| CN109360386A (en) * | 2018-09-12 | 2019-02-19 | 上海博泰悦臻电子设备制造有限公司 | Based reminding method, car-mounted terminal and vehicle |
| CN209070721U (en) * | 2018-09-17 | 2019-07-05 | 河南东方世纪交通科技股份有限公司 | A kind of Expressway Service management system |
| CN109935085A (en) * | 2019-04-29 | 2019-06-25 | 龙荟智能科技（上海）有限责任公司 | A kind of parking stall management method |
| CN110231043A (en) * | 2019-06-05 | 2019-09-13 | 上海易点时空网络有限公司 | Charge planning system and its method in new energy garage journey |
| CN110491149A (en) * | 2019-08-23 | 2019-11-22 | 深圳成谷科技有限公司 | A kind of approaches to IM of Expressway Service, device and equipment |
Non-Patent Citations (2)
| Title |
|---|
| 贺霄鹏: "我国高速公路服务区现状及景观规划设计对策", 《公路交通科技(应用技术版)》 * |
| 黄艺等: "高速公路服务区规划设计优化探析", 《绿色科技》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112907963A (en) * | 2021-01-31 | 2021-06-04 | 安徽达尔智能控制***股份有限公司 | Traffic command method and system for expressway service area |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101799977B (en) | Intelligent traffic system | |
| EP2629275B1 (en) | Vehicle information processing system and driving assistance system | |
| CN109191876B (en) | Special vehicle traffic guidance system based on Internet of vehicles technology and control method thereof | |
| CN107657812B (en) | Method for dynamically planning parking space according to traffic flow prediction | |
| JP5796676B2 (en) | Traffic control device and traffic control system | |
| US8700299B2 (en) | Navigation device, recommended speed arithmetic device, and recommended speed presentation device | |
| US9677896B2 (en) | Preventive fuel saving-aimed motor vehicle driver assistance | |
| CN103794044B (en) | In conjunction with car networking with the traffic control method of the conversion that relaxes | |
| CN103471605A (en) | Method for identifying an eco-route using a state of charge consumption ratio | |
| CN105185153A (en) | Intelligent parking system and method | |
| WO2013098989A1 (en) | Center-side system and vehicle-side system | |
| CN112673406A (en) | Method and terminal device for identifying abnormal vehicle parameters in vehicle queue | |
| CN114724366B (en) | Driving assistance method, device, equipment and storage medium | |
| JP4589947B2 (en) | Information-providing in-vehicle device | |
| CN104316069A (en) | Vehicle-mounted navigation device and navigation method for recognizing main road and auxiliary road | |
| CN104504902A (en) | Road right for vehicle to use, road right calculation method and road right-based road charging method | |
| AU760620B2 (en) | Device for improving road safety | |
| CN109658691B (en) | Method and system for recording violation of running red light of electric vehicle | |
| CN111127893A (en) | Expressway service area traffic control method based on vehicle-road cooperation technology | |
| Smiai et al. | Information and communication technology research opportunities in dynamic charging for electric vehicle | |
| CN106926807A (en) | The control method of automobile, device and automobile | |
| CN110956839A (en) | Roadside temporary parking lot recommendation method and device and server | |
| CN112365615A (en) | Expressway fusion charging method and system based on Beidou positioning and ETC | |
| CN218951861U (en) | Traffic safety induction active management and control system for traffic of interchange shunting area lanes adjacent to tunnel | |
| CN218952034U (en) | Driving safety induction and driving management and control system for lanes of intersection junction areas adjacent to tunnels |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |