It was found that 67% of all motorists traveling 18 mi section of I90 near Rapid City, SD, in Pennington and Mead Counties were using their low beams when first sighted; traffic volume increase of 2.3 times showed only 5% increase in low beam use; 66% of all motor vehicles who were on high beam when first sighted did not lower their headlights for patrol vehicle; about 2% of all vehicles on low beam when first sighted changed to high beam at moment of relative coincidence; slight upward trend was indicated in use of low headlight beams as weather conditions varied from clear skies to periods of precipitation.


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    Titel :

    Motor vehicle headlight beam usage on section of Interstate Highway 90


    Weitere Titelangaben:

    Nat Research Council -- Highway Research Board -- Research Rec


    Beteiligte:
    Cheeseman, M.R. (Autor:in) / Voss, W.T. (Autor:in)


    Erscheinungsdatum :

    1967


    Format / Umfang :

    4 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :



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