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Cellular automaton simulations of a four-leg intersection with two-phase signalization

Author

Listed:
  • Cheng-Jie Jin

    (School of Transportation, Southeast University of China, Nanjing, Jiangsu, 210096, P. R. China)

  • Wei Wang

    (School of Transportation, Southeast University of China, Nanjing, Jiangsu, 210096, P. R. China)

  • Rui Jiang

    (School of Engineering Science, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China)

  • Hao Wang

    (School of Transportation, Southeast University of China, Nanjing, Jiangsu, 210096, P. R. China)

Abstract

In this paper, we present a cellular automaton (CA) simulation of a signalized intersection. When there is no exclusive lane for left-turn vehicles, through vehicles and left-turn vehicles have to share one lane. Under such situation usually two-phase signalization is adopted, and the conflicts between the two traffic streams need to be analyzed. We use a refined configuration for the intersection simulation: the geometry of the intersection has been considered and vehicles are assumed to move along 1/4 circle arcs. We focus on the averaged travel times on left lanes and their distributions. The diagrams of intersection approach capacities (IACs) and the corresponding phase diagrams are also presented, which depend on the approach flow rates and the percentage of left-turn vehicles. Besides, we find that the minimum green time could be determined by finding out the critical value for the travel times.

Suggested Citation

  • Cheng-Jie Jin & Wei Wang & Rui Jiang & Hao Wang, 2014. "Cellular automaton simulations of a four-leg intersection with two-phase signalization," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 25(03), pages 1-16.
    • Handle: RePEc:wsi:ijmpcx:v:25:y:2014:i:03:n:s012918311350099x
    DOI: 10.1142/S012918311350099X
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    Cited by:

    1. Hong-Ze Zhang & Rui Jiang & Mao-Bin Hu & Bin Jia, 2016. "Analytical investigation on the minimum traffic delay at a two-phase intersection considering the dynamical evolution process of queues," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 27(10), pages 1-12, October.

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