Bicyclists are vulnerable to door zone conflicts on urban roadways with on-street parallel parking adjacent to bicycle lanes; however, this conflict type is not robustly understood. This research sought to determine 1) the correlation between bicyclist experience and perceived risk of door zone conflicts, 2) bicyclist behavior in the door zone using velocity and lateral position, and 3) how time to the open door (TTD), defined as the time between the vehicle door opening and the bicyclist passing the door, and effective bicycle lane width, defined as the remaining lane width beyond the open door, contribute to the bicyclists’ decision to come to a complete stop before an open vehicle door or to maneuver around it. A bicycling simulator was used to test TTD (short and long), and effective bicycle lane width (1, 2, and 3 ft). The survey results indicated that perceived risk of door zone crashes was high despite relatively few reports of door zone crashes. The survey results additionally indicated that whereas door zone crash involvement was reportedly low, door zone near-misses were more common. The results from the bicycling simulator showed that TTD did influence bicyclist velocity, and both TTD and effective bicycle lane width influenced bicyclist lateral position within the door zone. Lateral position data showed that more bicyclists chose to depart the bicycle lane in long TTD scenarios when the effective bicycle lane width was 2 ft. The results of this study suggest that some common bicycle lane practices give bicyclists few safe options to avoid door zone crashes.


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    Titel :

    Evaluation of Door Zone Conflicts Between Bicycles and Parked Vehicles


    Weitere Titelangaben:

    Transportation Research Record: Journal of the Transportation Research Board


    Beteiligte:
    Chand, Cadell (Autor:in) / Jashami, Hisham (Autor:in) / Scott-Deeter, Logan (Autor:in) / Koonce, Peter (Autor:in) / Hurwitz, David (Autor:in)


    Erscheinungsdatum :

    2024-06-06




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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