Turn signals mounted on exterior rearview mirrors are increasingly being used as original equipment on passenger cars and light trucks. The potential for mirror-mounted turn signals (MMTS) to improve the geometric visibility of turn signals is examined in this report. A survey of U.S. and European regulations showed that the turn signals of a vehicle that is minimally compliant with U.S. regulations are not visible to a driver of a nearby vehicle in an adjacent lane. Measurements of mirror location and window geometry were made on 74 passenger cars and light trucks, including 38 vehicles with European-style side repeaters. These data were combined with data on driver eye locations from two previous studies to assess the relative visibility of MMTS and conventional signals.


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    Title :

    Geometric Visibility of Mirror-Mounted Turn Signals


    Contributors:

    Publication date :

    2003


    Size :

    39 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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