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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2007  >  7(3): 95-99
Liu Yong, Xiang Li, Xie Jun, Yan Bao-jie. Reliability computation method of urban road network[J]. Journal of Traffic and Transportation Engineering, 2007, 7(3): 95-99.
Citation: Liu Yong, Xiang Li, Xie Jun, Yan Bao-jie. Reliability computation method of urban road network[J]. Journal of Traffic and Transportation Engineering, 2007, 7(3): 95-99.
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Reliability computation method of urban road network

  • 1.

    School of Science, Chang'an University, Xi'an 710064, Shaanxi, China

  • 2.

    School of Highway, Chang'an University, Xi'an 710064, Shaanxi, China

More Information
  • Author Bio:

    Liu Yong(1960-), male, associate professor, doctoral student of engineering, +86-29-82071952, roy_y_liu@126.com

    Yan Bao-jie(1939-), male, professor, +86-29-82334834, y.baojie39@126.com

  • Received Date: 2006-12-27
  • Publish Date: 2007-06-25
    Abstract
  • In order to objectively reflect the reliability of urban road network, the structure and function of urban road network were analyzed, OD road network was divided into main roads and connection roads, the influence factors and the computation method of the reliability were studied, the main road reliability was amended by using OD connectivity, and the reliability of whole road network was concluded.The influence of number of the nodes on OD road network reliability was studied, and the improvement methods of OD road network reliability were discussed further. Analysis result shows that the reliability of OD road network is 0.62 when main roads are not connected effectively, the reliability is 0.70 through the connection of main roads when the continuance of main road is not affected. It is indicated that the reliability of OD road network depends on not only the continuance and the validity of main road, but also the connectivity of OD road network, so the method is feasible and effective.

     

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