Coordinated control method of intersection traffic light in one-way road based on V2X
Kai Gao , Fa-rong Han , Meng-fei Wen , Rong-hua Du , Shuo Li , Feng Zhou
Journal of Central South University ›› 2019, Vol. 26 ›› Issue (9) : 2516 -2527.
Coordinated control method of intersection traffic light in one-way road based on V2X
One-way roads have potential for improving vehicle speed and reducing traffic delay. Suffering from dense road network, most of adjacent intersections' distance on one-way roads becomes relatively close, which makes isolated control of intersections inefficient in this scene. Thus, it is significant to develop coordinated control of multiple intersection signals on the one-way roads. This paper proposes a signal coordination control method that is suitable for one-way arterial roads. This method uses the cooperation technology of the vehicle infrastructure to collect intersection traffic information and share information among the intersections. Adaptive signal control system is adopted for each intersection in the coordination system, and the green light time is adjusted in real time based on the number of vehicles in queue. The offset and clearance time can be calculated according to the real-time traffic volume. The proposed method was verified with simulation results by VISSiM traffic simulation software. The results compared with other methods show that the coordinated control method proposed in this paper can effectively reduce the average delay of vehicles on the arterial roads and improve the traffic efficiency.
intersection / vehicle infrastructure cooperation / coordinated control / simulation evaluation
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Sensors, 2019, 19(9 |
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