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A Dynamic Regional Partitioning Method for Active Traffic Control

Author

Listed:
  • Yan Xing

    (School of Transportation and Geomatics Engineering, Shenyang Jianzhu University, Shenyang 110168, China)

  • Wenqing Li

    (School of Transportation and Geomatics Engineering, Shenyang Jianzhu University, Shenyang 110168, China)

  • Weidong Liu

    (School of Transportation and Geomatics Engineering, Shenyang Jianzhu University, Shenyang 110168, China)

  • Yachao Li

    (School of Transportation and Geomatics Engineering, Shenyang Jianzhu University, Shenyang 110168, China)

  • Zhe Zhang

    (School of Transportation and Geomatics Engineering, Shenyang Jianzhu University, Shenyang 110168, China
    Liaoning Urban and Rural Construction Planning and Design Institute Co., Ltd., Shenyang 110006, China)

Abstract

In order to identify the scope of active traffic control regions and improve the effect of active traffic control, this paper proposes a dynamic partitioning method of area boundaries based on benchmark intersections, taking into account the saturation, homogeneity, and correlation of intersections in the region. First, a boundary indicator correlation model was established. Next, benchmark intersections were selected based on evaluation indicators, such as traffic speed and queue length. Then, the boundary of the control region is initially defined based on the selected reference intersection, through a combination of the improved Newman algorithm. Subsequently, a spectral clustering algorithm is used to obtain the boundaries of the optimal active control subregions. Finally, a city road network is used as the study object for analysis and verification under the premise of implementing active traffic control. The results show that compared with the intersection clustering algorithm method and the boundary control subdivision method, the control effect indicators, such as the average delay and the average number of stops, have a great optimization improvement. Thus, the proposed method of regional borders combines the actual traffic flow characteristics efficiently to make a more accurate real-time dynamic division of the road network sub-areas.

Suggested Citation

  • Yan Xing & Wenqing Li & Weidong Liu & Yachao Li & Zhe Zhang, 2022. "A Dynamic Regional Partitioning Method for Active Traffic Control," Sustainability, MDPI, vol. 14(16), pages 1-16, August.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:16:p:9802-:d:883567
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    References listed on IDEAS

    as
    1. Batista, S.F.A. & Leclercq, Ludovic & Geroliminis, Nikolas, 2019. "Estimation of regional trip length distributions for the calibration of the aggregated network traffic models," Transportation Research Part B: Methodological, Elsevier, vol. 122(C), pages 192-217.
    2. Huihui Lan & Xianyu Wu, 2020. "Research on Key Technology of Signal Control Subarea Partition Based on Correlation Degree Analysis," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-12, March.
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