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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2009  >  9(3): 108-111
HU Hong, LIU Xiao-ming, WEI Heng, YANG Xiao-kuan. Traffic control algorithm of emergency evacuation based on harmonizing intersection signal control and arterial access management[J]. Journal of Traffic and Transportation Engineering, 2009, 9(3): 108-111. doi: 10.19818/j.cnki.1671-1637.2009.03.021
Citation: HU Hong, LIU Xiao-ming, WEI Heng, YANG Xiao-kuan. Traffic control algorithm of emergency evacuation based on harmonizing intersection signal control and arterial access management[J]. Journal of Traffic and Transportation Engineering, 2009, 9(3): 108-111. doi: 10.19818/j.cnki.1671-1637.2009.03.021
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Traffic control algorithm of emergency evacuation based on harmonizing intersection signal control and arterial access management

doi: 10.19818/j.cnki.1671-1637.2009.03.021
  • 1.

    Beijing Key Laboratory of Traffic Engineering, Beijing University of Technology, Beijing 100124, China

  • 2.

    Beijing Energy Conservation and Environmental Protection Center, Beijing 100029, China

  • 3.

    Department of Civil and Environment Engineering, University of Cincinnati, Cincinnati 45221-0071, Ohio, USA

More Information
  • Author Bio:

    HU Hong(1971-), female, engineer, PhD, +86-10-67396090, huhong@emails.bjut.edu.cn

  • Received Date: 2008-12-28
  • Publish Date: 2009-06-25
    Abstract
  • In order to establish an efficient predetermined plan of emergency evacuation, the adaptabilities of SCOOT and BOTTLENECK algorithms were analyzed, and an optimal algorithm was proposed based on the integrating control of signal intersections and arterial accesses.New algorithm controlled signal intersections with SCOOT algorithm, and controlled entering traffic at arterial accesses with BOTTLENECK algorithm.In order to insure the routing priority of main evacuation direction, the two algorithms were optimized and integrated by controlling target delay strictly, meanwhile, the interference and delay of entering traffic were decreased, and the road net evacuation capacity under emergency state was excavated mostly.Simulation result indicates that with the optimal algorithm under emergency evacuation, the average travel time of vehicle is shorten by about 60%, and average speed is increased by about 1.5 times.So the efficiency of emergency evacuation is improved, and the algorithm is feasible.

     

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