An integrated real-time traffic signal system for transit signal priority,incident detection and congestion management |
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| Institution: | 1. University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai, PR China;2. Key Laboratory of Road and Traffic Engineering of the Ministry of Education, 4800 Cao’an Road, Shanghai, PR China;3. Department of Systems and Industrial Engineering, University of Arizona, Tucson, AZ, USA;1. Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, 4800 Cao’an Road, Shanghai, PR China;2. Department of Systems and Industrial Engineering, The University of Arizona, 1127 E. James E. Rogers Way, P.O. Box 210020, Tucson, AZ 85721-0012, United States;1. Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, PR China;2. Tsinghua-Berkeley Shenzhen Institute, Tsinghua University, Shenzhen 518055, PR China;3. Department of Automation, Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University, Beijing 100084, PR China;1. Cambridge Systematics, US;2. Florida Department of Transportation, US;3. Cambridge Systematics, US;1. School of Software and Electrical Engineering, Swinburne University of Technology, Australia;2. Institute of Transport Studies, Faculty of Engineering, Monash University, Australia |
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| Abstract: | This paper presents a traffic control system that can work standalone to handle various boundary conditions of the recurrent, non-recurrent congestion, transit signal priority and downstream blockage conditions to improve the overall traffic network vehicular productivity and efficiency. The control system uses field detectors’ data to determine the boundary conditions of all incoming and exit links. The developed system is interfaced with CORSIM micro-simulation for rigorous evaluations with different types of signal phase settings. The comparative performance of this control logic is quite satisfactory for some of the most frequently used phase settings in the network with a high number of junctions under highly congested conditions. |
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| Keywords: | Traffic signal control Incident detection Transit priority Congestion management Micro simulation Urban traffic networks |
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