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Impact of Road Bends on Traffic Flow in a Single-Lane Traffic System

Author

Listed:
  • Zeng Junwei
  • Qian Yongsheng
  • Xu Dejie
  • Jia Zhilong
  • Huang Zhidan

Abstract

Taking the characteristics of road bends as a research object, this work proposes the cellular model (CA) with road bends based on the NaSch model, with which the traffic flow is examined under different conditions, such as bend radius, bend arc length, and road friction coefficiency. The simulation results show that, with the increase of the bend radius, the peak flow will be continuously increased, and the fundamental diagram will become more similar to that of the classic NaSch model; the smaller the bend radius is, the easier it is for the occurrence of blockage; for different bend lengths, all the corresponding traffic flows show that the phenomenon of go-and-stop and the bends exert slight inhibitory effect on traffic flow; under the same bend radius, the inhibition effect of the bends on the traffic flow will be weakened with the increase of the friction coefficiency.

Suggested Citation

  • Zeng Junwei & Qian Yongsheng & Xu Dejie & Jia Zhilong & Huang Zhidan, 2014. "Impact of Road Bends on Traffic Flow in a Single-Lane Traffic System," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-6, February.
    • Handle: RePEc:hin:jnlmpe:218465
    DOI: 10.1155/2014/218465
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