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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2008  >  8(4): 95-98
HE Zhao-cheng, ZHAO Jian-ming, WANG Zhen-bo, WEI Qing-bo. Travel time estimation method in urban road network with signal control[J]. Journal of Traffic and Transportation Engineering, 2008, 8(4): 95-98.
Citation: HE Zhao-cheng, ZHAO Jian-ming, WANG Zhen-bo, WEI Qing-bo. Travel time estimation method in urban road network with signal control[J]. Journal of Traffic and Transportation Engineering, 2008, 8(4): 95-98.
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Travel time estimation method in urban road network with signal control

  • ITS Research Center, Sun Yat-sen University, Guangzhou 510275, Guangdong, China

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  • Author Bio:

    HE Zhao-cheng(1978-), male, lecturer, PhD, +86-20-39332772, hezhch@mail.sysu.edu.cn

  • Received Date: 2008-03-12
  • Publish Date: 2008-08-25
    Abstract
  • In order to precisely monitor the dynamic travel time in urban road network with signal control, the fluctuation rule of traffic volume affected by signal control strategy was analyzed, and a travel time estimation method based on traffic volume diagram offset was proposed.The similarity of traffic volume diagrams under different cross sections was analyzed, the dynamic travel time between cross sections was computed according to the offset of traffic volume diagram when the maximum similarity was reached, and it was compared with the field survey data.Comparison result indicates that the maximum mean relative error of mean travel time is 7.1% for different time lengths (5, 10, 20 min) during peak and non-peak periods at the closed road segments of urban road network, so the method is feasible.

     

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