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The influence of nonmonotonic synchronized flow branch in a cellular automaton traffic flow model

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  • Jin, Cheng-Jie
  • Wang, Wei

Abstract

In this paper we study the congested patterns upstream of an isolated on-ramp in a cellular automaton traffic flow model, which is proposed in our previous paper [Cheng-Jie Jin, Wei Wang, Rui Jiang, Kun Gao, J. Stat. Mech (2010) P03018]. The simulation results under open boundary conditions are presented by spatiotemporal diagrams. Our diagram of congested patterns is quite similar to that of the cellular automaton models within Kerner’s three-phase traffic theory, while some differences in the “moving synchronized flow pattern” (MSP) should be noted. In our model the upstream front of MSP propagates not only upstream, but also downstream. The propagation direction depends on the flow rates and densities of free flow and synchronized flow. Besides, in our model the outflow of wide moving jams or bottlenecks could be free flow or synchronized flow, as reported in many empirical data. In the dissolving of congestions, the form of free flow may be hindered and stable synchronized flow may emerge. This phenomenon can help us understand more about the outflow. All the interesting characteristics of our model are due to the nonmonotonic structure of synchronized flow branch in the fundamental diagram, which has not been found in previous models.

Suggested Citation

  • Jin, Cheng-Jie & Wang, Wei, 2011. "The influence of nonmonotonic synchronized flow branch in a cellular automaton traffic flow model," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 390(23), pages 4184-4191.
    • Handle: RePEc:eee:phsmap:v:390:y:2011:i:23:p:4184-4191
    DOI: 10.1016/j.physa.2011.06.057
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    Citations

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    Cited by:

    1. Hu, Xiaojian & Liu, Tenghui & Hao, Xiatong & Su, Ziyi & Yang, Zhikui, 2021. "Research on the influence of bus bay on traffic flow in adjacent lane: Simulations in the framework of Kerner’s three-phase traffic theory," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 563(C).
    2. Tianjun Feng & Keyi Liu & Chunyan Liang, 2023. "An Improved Cellular Automata Traffic Flow Model Considering Driving Styles," Sustainability, MDPI, vol. 15(2), pages 1-19, January.
    3. Hu, Xiaojian & Hao, Xiatong & Wang, Han & Su, Ziyi & Zhang, Fang, 2020. "Research on on-street temporary parking effects based on cellular automaton model under the framework of Kerner’s three-phase traffic theory," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 545(C).

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