The report contains extensive bibliography on the subject as well as a review of various state laws pertaining to the interpretation of the amber period. Field studies were conducted at urban and rural intersections. Data was collected by photographic methods. The effect of extending the amber was analyzed for various approach speeds and safe and unsafe practices defined and tabulated. In addition the effect of pavement markings and advance signing was tested. Although the results show certain trends there seems to be no statistical significance to various changes. (BPR Abstract)


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    Title :

    Study of Clearance Interval at Traffic Signals


    Contributors:
    A. D. May (author)

    Publication date :

    1967


    Size :

    103 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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