In this paper, the authors proposed a local ramp metering model based on the hybrid Petri net, which consists of a traffic distribution observer, ramp metering surface model, and an on-ramp traffic controller. The model produces real-time decisions according to the real-time traffic state, and a set of pre-specified constraints. On-ramp signals use decisions given by the model to adjust the on-ramp traffic flow. In a simulation case study, there is around 9% decrease of vehicle total travel time in the local ramp metering area. The results have shown that the model can adjust on-ramp traffic flow according to mainline real-time traffic state effectively, and alleviate bottleneck congestion.


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    Title :

    A Local Ramp Metering Control Strategy Based on the Hybrid Petri Net


    Contributors:
    Wang, Chong (author) / Wan, Xia (author) / Lu, Jiajian (author) / Zhang, Jian (author) / Qu, Xu (author)

    Conference:

    16th COTA International Conference of Transportation Professionals ; 2016 ; Shanghai, China


    Published in:

    CICTP 2016 ; 40-50


    Publication date :

    2016-07-01




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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