Dynamic Origin-Destination (OD) demands are essential input for on-line traffic control, dynamic traffic-assignment simulation and management systems. Although various models of dynamic Origin-Destination estimation have been presented, estimation error will rapidly increase as scale of road networks expands. This article puts forward a method for the dynamic Origin-Destination estimation of a large-scale road network on the basis of geographic information system (GIS). The proposed model which only depends on measurable time series of mainline from traffic counts can automatically realize dynamic Origin-Destination estimation in some small region by reconstructing OD matrixes. The model will be embedded in intelligent traffic systems and provide essential data for real traffic dynamic management. It is a good method to realize dynamic OD estimation of large-scale road network.


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    Title :

    Study on Dynamic Origin-Destination Estimation of Large-Scale Road Networks


    Contributors:
    Li, Jun-wei (author) / Lu, Hua-pu (author) / Geng, Xue-fei (author) / Wang, Hai-wei (author)

    Conference:

    11th International Conference of Chinese Transportation Professionals (ICCTP) ; 2011 ; Nanjing, China


    Published in:

    ICCTP 2011 ; 1505-1510


    Publication date :

    2011-07-26




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English





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