The countdown pedestrian signal (CPS) provides additional information to pedestrians when compared to the older displays which only use the Walking Person Flashing Hand Upraised Hand signal. Prior studies of the CPS have generally concluded that the device provides information to a pedestrian that helps them make better informed decisions regarding street crossing, and leads to improved pedestrian safety. However, the MUTCD provides differing guidance for terminating the pedestrian change interval (flashing hand) representing the end of the safe crossing period between countdown and non-countdown signals (MUTCD 2003).This study was done to evaluate if there is a safety concern in allowing the pedestrian change interval to terminate at the end of the concurrent vehicular yellow interval using countdown pedestrian indications, as is allowed for non-countdown pedestrian indications. Part of the concern is that the early termination of the pedestrian change interval is providing too long of a buffer between the designated time when a pedestrian is notified that they should be out of harms way, and the actual time when conflicting vehicles will be given a green indication. The hypothesis is that by lying to the pedestrian, we are actually breeding contempt for the pedestrian signal indications.


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    Title :

    MUTCD Experimentation with Countdown Pedestrain Signals and Change Intervals


    Contributors:
    E. Lee (author) / M. Luszcz (author) / R. Bedeley (author)

    Publication date :

    2011


    Size :

    13 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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