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Phase diagram of a traffic roundabout

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  • Huang, Ding-wei

Abstract

We propose a simple cellular automaton model to study the traffic dynamics in a roundabout. Both numerical and analytical results are presented. We are able to obtain exact solutions in the full parameter space. Exact phase diagrams are derived. When the traffic from two directions mixed, there are only five distinct phases. Some of the combinations from naive intuition are strictly forbidden. We also compare the results to a signaled intersection.

Suggested Citation

  • Huang, Ding-wei, 2007. "Phase diagram of a traffic roundabout," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 383(2), pages 603-612.
    • Handle: RePEc:eee:phsmap:v:383:y:2007:i:2:p:603-612
    DOI: 10.1016/j.physa.2007.05.014
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    Cited by:

    1. Liu, Yanna & Xiao, Wencan & Dong, Peng & Zhang, Yingjie & Xiao, Song, 2016. "The effect of single on-ramp with constrained resources on the density of asymmetric simple exclusion processes," Renewable and Sustainable Energy Reviews, Elsevier, vol. 62(C), pages 815-820.
    2. Chen, Jing & Lin, Lan & Jiang, Rui, 2017. "Assigning on-ramp flows to maximize capacity of highway with two on-ramps and one off-ramp in between," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 465(C), pages 347-357.

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