The crash experience warrant in the Manual on Uniform Traffic Control Devices (MUTCD) specifies three criteria that must be met before a traffic signal can be considered for installation at an intersection. One of these criteria requires that five or more crashes of a type susceptible to correction by a signal must have occurred during a one-year period. Research was undertaken to evaluate the validity of this criterion and, if needed, to develop a crash experience warrant that is based on safety science and is consistent with the Highway Safety Manual (HSM).


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    Crash Experience Warrant for Traffic Signals

    H. McGee / S. Taori / B. Persaud | NTIS | 2003


    Peak hour traffic signal warrant

    Henry, R. D. | SLUB | 1982


    Peak hour traffic signal warrant

    Henry, R. D. | TIBKAT | 1982



    Development of New Crash Experience Warrants for Traffic Signals in Ontario, Canada

    Hadayeghi, Alireza / Malone, Brian / De Gannes, Roger | Transportation Research Record | 2006