This paper aims to address a problem at signalized roundabouts, where the queuing overflow of left-turn vehicles can block vehicles that are travelling through the roundabout when the signal control method of Two-Stopline-for-Left-Turn control (TSLT) is adopted. A method for setting up the waiting area and coordinating the traffic signal between the approach lanes and the loop lanes is proposed. With the help of the loop lane space, the through and left-turn waiting areas are set up, and the traffic flow in each direction at the roundabout is separated by a coordinated traffic signal, in order to improve the utilization rate of the space resources of the roundabout. Under saturation constraints, delay calculation models are established based on the traffic states of the approach lanes and the loop lanes, and a signal control parameter optimization model is established with the goal of minimizing the delay. The simulation results show that the proposed method can satisfy the required conditions for roundabouts with high traffic volume.


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    Title :

    Signal Control Method for Modern Roundabouts with Waiting Areas to Meet High Traffic Demands


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:
    Wang, Wuhong (editor) / Wu, Jianping (editor) / Jiang, Xiaobei (editor) / Li, Ruimin (editor) / Zhang, Haodong (editor) / Jiang, Xiancai (author) / Shang, Qingpeng (author) / Jin, Yao (author)

    Conference:

    International Conference on Green Intelligent Transportation System and Safety ; 2021 November 19, 2021 - November 21, 2021



    Publication date :

    2022-10-28


    Size :

    29 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English





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