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A new cellular automaton for signal controlled traffic flow based on driving behaviors |
Wang Yang (王扬), Chen Yan-Yan (陈艳艳) |
Beijing Key Laboratory of Traffic Engineering, College of Metropolitan Transportation, Beijing University of Technology, Beijing 100124, China |
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Abstract The complexity of signal controlled traffic largely stems from the various driving behaviors developed in response to the traffic signal. However, the existing models take a few driving behaviors into account and consequently the traffic dynamics has not been completely explored. Therefore, a new cellular automaton model, which incorporates the driving behaviors typically manifesting during the different stages when the vehicles are moving toward a traffic light, is proposed in this paper. Numerical simulations have demonstrated that the proposed model can produce the spontaneous traffic breakdown and the dissolution of the over-saturated traffic phenomena. Furthermore, the simulation results indicate that the slow-to-start behavior and the inch-forward behavior can foster the traffic breakdown. Particularly, it has been discovered that the over-saturated traffic can be revised to be an under-saturated state when the slow-down behavior is activated after the spontaneous breakdown. Finally, the contributions of the driving behaviors on the traffic breakdown have been examined.
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Received: 25 September 2014
Revised: 04 December 2014
Accepted manuscript online:
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PACS:
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89.40.Bb
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(Land transportation)
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89.40.-a
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(Transportation)
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02.60.Cb
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(Numerical simulation; solution of equations)
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Fund: Project supported by the National Basic Research Program of China (Grand No. 2012CB723303) and the Beijing Committee of Science and Technology, China (Grand No. Z1211000003120100). |
Corresponding Authors:
Chen Yan-Yan
E-mail: cdyan@bjut.edu.cn
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Cite this article:
Wang Yang (王扬), Chen Yan-Yan (陈艳艳) A new cellular automaton for signal controlled traffic flow based on driving behaviors 2015 Chin. Phys. B 24 038902
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