Abstract The regular weather-responsive design of variable speed limit (VSL, as a subsystem of Intelligent Transport System) of freeway relys on expensive realtime detection of road surface friction coefficient, not available for economy-underdeveloped regions. A low-cost approach is proposed to design 2 types of weather-responsive VSL (straight-running VSL subject to visible distance, and curve-running VSL aimed at skid-avoidance) in the absence of friction coefficient, using equivalently-approximated discrete friction coefficient (thresholds) depending on the types and intensities of adverse weather elements (i.e. the road surface conditions of dry or wet, further of water or snow/ice covering adhered on road surface), in stead of expensive realtime-detected continuous friction coefficient.


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    Titel :

    Weather-Responsive Freeway Speed-Limits Using Approximated Friction Coefficient of Road Surface


    Beteiligte:
    Yuan, Jianhua (Autor:in) / Wu, Yang (Autor:in) / Zhang, Zhiyong (Autor:in) / Ma, Qing (Autor:in)


    Erscheinungsdatum :

    2016-11-25


    Format / Umfang :

    8 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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