During the permitted left-turn green phase at intersections on divided highways, if the median of the major road is relatively wide, the simultaneously-turning vehicles in the opposite left-turn lane frequently block the driver's view. This situation may contribute not only to a serious safety problem because of drivers' misjudging gaps among the opposing trough traffic, but may also lead to needless delays for the left-turning traffic since those cautious drivers reject physically adequate gaps. This study confirmed the serious negative effect of the sight-distance problem on both traffic safety and operation efficiency for unprotected left-turn traffic.


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    Titel :

    Intersection Sight Distance for Unprotected Left-Turn Traffic


    Beteiligte:
    E. Radwan (Autor:in) / X. Yan (Autor:in)

    Erscheinungsdatum :

    2006


    Format / Umfang :

    128 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Geometric Models to Calculate Intersection Sight Distance for Unprotected Left-Turn Traffic

    Yan, Xuedong / Radwan, Essam | Transportation Research Record | 2004



    Geometric Models to Calculate Intersection Sight Distance for Unprotected Left-Turn Traffic

    Yan, X. / Radwan, E. / National Research Council (U.S.) | British Library Conference Proceedings | 2004