HighlightsThe initial speed is the most sensitive factor to stopping distances of vehicles based on the results of sensitivity analysis.Perception-reaction time is the second sensitive factor affecting stopping distances of vehicles.The connected vehicles application at active highway-rail grade crossings with a sufficient transmission range can provide earlier onboard warnings to drivers who can reduce their initial speeds to improve the safety by avoiding collisions.

    AbstractThis paper performs sensitivity analyses of stopping distance for connected vehicles (CVs) at active highway-rail grade crossings (HRGCs). Stopping distance is the major safety factor at active HRGCs. A sensitivity analysis is performed for each variable in the function of stopping distance. The formulation of stopping distance treats each variable as a probability density function for implementing Monte Carlo simulations. The result of the sensitivity analysis shows that the initial speed is the most sensitive factor to stopping distances of CVs and non-CVs. The safety of CVs can be further improved by the early provision of onboard train information and warnings to reduce the initial speeds.


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    Titel :

    Sensitivity analyses of stopping distance for connected vehicles at active highway-rail grade crossings


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2016-12-05


    Format / Umfang :

    8 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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