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Traffic Signal Coordination for Tramlines with Passive Priority Strategy

机译：具有被动优先级策略的电车交通信号协调

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摘要

Prioritizing traffic signals for trams crossing intersections without stops can increase the service punctuality and travel speed of trams, but it may also increase the delays of other vehicles at intersections. This paper presents a model on coordinated control of traffic signals among successive intersections along the tramline, taking into account driving characteristics of trams and vehicles. The objective is maximizing the valid bandwidth of vehicle green wave to reduce vehicle delays, while the trams cross intersections without stops. Linear Interactive and General Optimizer (LINGO) is applied to solve the proposed model and VISSIM simulation software is adopted to assess the solutions attained by the proposedmodel and the previous TRAMBAND model. Case studies show that the solutions given by the proposed model facilitate trams to go through all intersections along the tramline without stops. In comparison with the TRAMBAND model, the proposed model reduces tram delay by 13.14 s/pcu and increases the throughput of vehicles at intersections by 4.45% and reduces vehicle delays by 2.22%. Extensive simulations have verified that the performance of the proposed model is stable under different tram headways, dwell time, and traffic volumes. It is also found that the tram headway must be multiple of traffic signal cycle time to completely realize green wave control of all trams at all intersections along the tramline.
机译：优先安排有轨电车横穿交叉路口的电车交通信号会增加服务准时和有轨电车的行驶速度，但也可能会增加其他车辆在交叉路口的延误。考虑到有轨电车和车辆的行驶特性，本文提出了一个沿电车线连续相交的交通信号协调控制模型。目的是最大化电车绿波的有效带宽，以减少电车的延误，而电车可以不停地穿越十字路口。应用线性交互式和通用优化器（LINGO）来求解所提出的模型，并使用VISSIM仿真软件来评估所提出的模型和先前的TRAMBAND模型所获得的解决方案。案例研究表明，所提出的模型提供的解决方案使电车可以不停地穿过电车线的所有交叉路口。与TRAMBAND模型相比，该模型将电车延误减少了13.14 s / pcu，并将交叉路口的车辆吞吐量提高了4.45％，并将车辆延误减少了2.22％。大量的仿真证明，在不同的电车行进距离，停留时间和交通流量下，所提出模型的性能是稳定的。还发现，电车的行进距离必须是交通信号周期的倍数，才能完全实现沿电车线所有交叉点的所有电车的绿波控制。

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  • 来源
    《Mathematical Problems in Engineering》 |2018年第15期|6062878.1-6062878.14|共14页
  • 作者

    Bai Yun; Li Jiajie; Li Tang; Yang Lingling; Lyu Chenxi;

  • 作者单位

    Beijing Jiaotong Univ MOE Key Lab Urban Transportat Complex Syst Theory 3 Shangyuancun Beijing 100044 Peoples R China;

    Imperial Coll London Dept Civil & Environm Engn London SW7 2AZ England;

    Stantec Consulting Serv Inc Denver CO 80222 USA;

    Ningbo Univ Technol Sch Econ & Management Ningbo 315211 Zhejiang Peoples R China;

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