The report reviews an experiment undertaken to examine the relative effectiveness of roadside signs and vehicle markings for warning motorists of the presence of a slow moving vehicle on the road ahead in a rural two lane situation. In the experiment a staged slow moving vehicle was introduced into the traffic stream, and data were taken on the reactions of motorists who overtook it. Samples of motorists were exposed to different combinations of roadside signs, vehicle markings and types of slow moving vehicles. The principal finding was that the use of standard four way flashers is an effective device for reducing the hazardousness of the overtaking situation relative to reaction distance, speed reduction and following characteristics. While the effects of the roadside signs were positive in the vicinity of the sign placement (out of sight of the slow vehicle), there were no lasting effects relative to the actual overtaking maneuver.


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    Titel :

    Evaluation of Techniques for Warning of Slow-Moving Vehicles Ahead


    Beteiligte:
    M. H. Lanman (Autor:in) / H. S. Lum (Autor:in) / R. W. Lyles (Autor:in)

    Erscheinungsdatum :

    1979


    Format / Umfang :

    54 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch






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