Based on Shanghai elevated road traffic flow, six kinds of speed-density models are calibrated by least square method for clear and rainy weather and the respective best models to estimate free-flow speed and capacity are determined. Next, the function between free-flow speed and rainfall intensity is also fitted and it is integrated into generalized speed-density models. It is found that both weather and number of lanes influence free-flow speed and capacity, and generalized speed-density models also vary with different combination of weather and number of lanes.


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    Titel :

    Generalized Speed-Density Models for Urban Freeways under Rainy Weather


    Beteiligte:
    Sun, Hongyun (Autor:in) / Yang, Jinshun (Autor:in) / Wu, Bing (Autor:in)

    Kongress:

    Fifth International Conference on Transportation Engineering ; 2015 ; Dailan, China


    Erschienen in:

    ICTE 2015 ; 1728-1737


    Erscheinungsdatum :

    25.09.2015




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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