This report presents field studies in response to horizontal signing applications and a driver comprehension study of route guidance pavement markings. Speed reduction treatments included simple transverse lines, CURVE AHEAD text, CURVE text with advisory speed, and curve arrows with advisory speed. Research showed that warnings with advisory speeds were more effective than those that simply warned of an upcoming curve. Directional arrows on two-way frontage roads to reduce wrong-way movements were also evaluated. One site was evaluated in a before-after study and showed a great reduction of wrong-way movements after installation of directional arrows at the terminus of the freeway exit ramp. Researchers also assessed driver comprehension of an assortment of route guidance shields, text, and curve warnings. Drivers preferred route shields to text for exit lane assignment. Drivers demonstrated good comprehension of curve warning treatments.


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    Titel :

    Field Evaluations and Driver Comprehension Studies of Horizontal Signing


    Beteiligte:
    S. T. Chrysler (Autor:in) / S. D. Schrock (Autor:in)

    Erscheinungsdatum :

    2005


    Format / Umfang :

    90 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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