Merging area is a typical type of carrying out merging on urban expressway; It is usually a traffic congested bottleneck. Under the heavy traffic demand, it easily occurs when vehicles on the mainline and on ramp contesting the right of way without any regulation, and making the `forced entry' manoeuvre at the junction of merging area. This disturbance results in a severe decrease of traffic capacity. The alternate traffic rules, however, could make an orderly merging. Starting from analysis of merging mechanism, the comparative traffic flow models are established based on the Cellular Automata Model, using alternate rules or no alternate rules. The effects of a new alternate strategy are obtained by numerical simulation. Finally, this paper presents a conclusion that traffic state with these rules is much better than not using these rules, and the capacity is improved to some extent as well.


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    Title :

    Simulation Analysis of Merging Area on Urban Expressway in Alternate Rules Based on Cellular Automata Model


    Contributors:
    Fang, Shun (author) / Zhang, Xiaoning (author) / Zhang, H.M. (author)

    Conference:

    Ninth International Conference of Chinese Transportation Professionals (ICCTP) ; 2009 ; Harbin, China


    Published in:

    Publication date :

    2009-07-23




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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