AbstractThis study introduces the concept of a “dynamic dilemma zone” (DDZ) road segment. A DDZ as opposed to a static dilemma zone is a road segment on approach to an intersection which varies in length based on fluctuations in vehicle speeds and the number of vehicles within a road segment. This is in contrast to a static dilemma zone which is based on a constant approach speed and a single vehicle in the road segment. The “dilemma” refers to the interaction of vehicle kinematics and perception–reaction time, where a vehicle could not clear the ‘intersection’ or stop before entering it. Car-following theory is used within the DDZ approach to model driver–vehicle behavior in platoons. It is found that the values of gate delay and gate interval times in car-following situations are greater than those with a single vehicle approach. The determination of the DDZ aids in defining the conditions which contribute to the likelihood of vehicle clearance (or stopping) at four quadrant gate highway–rail intersections.


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    Titel :

    Dynamic dilemma zone based on driver behavior and car-following model at highway–rail intersections


    Beteiligte:
    Moon, Young J (Autor:in) / Coleman, Fred III (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2002-02-26


    Format / Umfang :

    22 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





    Car Following and Dynamic Dilemma Zone Based on Driver Behavior at Railroad-Highway Grade Crossings

    Moon, Y. J. / Coleman, F. / University of Tennessee et al. | British Library Conference Proceedings | 1997


    System Simulation of a Dynamic Dilemma Zone for Train-Vehicle Collision Avoidance at Highway-Rail Intersections

    Moon, Y.J. / ITS Congress Association | British Library Conference Proceedings | 2000



    Driver’s Speed Reduction Behavior at Highway–Rail Intersections

    Moon, Young J. / Coleman, Fred | Transportation Research Record | 1999