This paper proposes a methodology to investigate the relationship between Vehicle Bumping at Bridge-Head (VBBH) and traffic safety. First, a quantitative model of bridge-head step height and deceleration has been established. Next, the impact of VBBH on traffic safety is divided into three levels based on deceleration. We obtained the value range of step height corresponding to each impact level with different driving speeds. The results show that, without the approach slab, the impact of VBBH on traffic safety is closely related with the step height and driving speed. With the same step height, the impact is more obvious as the driving speed increases. With a speed of 100 km/h, a significant impact on traffic safety will appear if the step height is more than 1.97 cm. Appropriate measures, such as speed limit or setting approach slab, must be taken with a step height more than 4.52 cm, which has a serious impact.


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    Titel :

    Impact Evaluation of Vehicle Bumping at Bridge-Head on Traffic Safety


    Beteiligte:
    Hu, Si-tao (Autor:in) / Zhu, Yan-ru (Autor:in)

    Kongress:

    14th COTA International Conference of Transportation Professionals ; 2014 ; Changsha, China


    Erschienen in:

    CICTP 2014 ; 2488-2493


    Erscheinungsdatum :

    2014-06-24




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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