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Traffic congestion and dispersion in Hurricane evacuation

Author

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  • Tanaka, Katsunori
  • Nagatani, Takashi
  • Hanaura, Hirotoshi

Abstract

We study the traffic congestion and dispersion of vehicles occurring on a single lane highway in Hurricane evacuation. The traffic congestion depends on both sensitivity and speed of the leading vehicle. When the leading vehicle moves with low speed, the vehicular traffic exhibits the stop and go-wave (oscillating congested traffic) for low sensitivity, while the traffic results in the homogeneous congested traffic for high sensitivity. The traffic dispersion is measured by the time difference between the leading and rear vehicles. The time difference fluctuates highly for the oscillating congestion traffic, while it keeps a constant value for the homogeneous congested traffic. The traffic states in Hurricane evacuation is connected to the phase diagram of conventional traffic.

Suggested Citation

  • Tanaka, Katsunori & Nagatani, Takashi & Hanaura, Hirotoshi, 2007. "Traffic congestion and dispersion in Hurricane evacuation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 376(C), pages 617-627.
  • Handle: RePEc:eee:phsmap:v:376:y:2007:i:c:p:617-627
    DOI: 10.1016/j.physa.2006.10.023
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    Cited by:

    1. Mark Horner & Michael Widener, 2011. "The effects of transportation network failure on people’s accessibility to hurricane disaster relief goods: a modeling approach and application to a Florida case study," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 59(3), pages 1619-1634, December.

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