Prior research has suggested that use of daytime running lights (DRL) on operating vehicles can reduce the frequency and severity of collisions. Possible DRL implementations include high-beam headlamps (with reduced intensity), low-beam headlamps, turn signals, parking lamps and dedicated DRL lamps. Questions have, therefore, arisen regarding the impact on DRL effectiveness of a number of lamp design features and parameters. Research issues involve the effects on vehicle conspicuity under daytime illumination but also potential negative consequences of DRL such as masking of adjacent turn signals and glare under dawn/dusk conditions. The objective of the effort reported here was to obtain data on perceptual effects of DRL intensity, lamp area, color, number of lamps and lamp/background contrast in the above areas. Three experiments were performed to investigate human performance as functions of these design parameters in tasks involving peripheral vehicle detection, turn signal detection and rearview mirror discomfort glare produced by DRL.


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    Titel :

    Study of Daytime Running Light Design Factors


    Beteiligte:
    M. Kirkpatrick (Autor:in) / C. C. Baker (Autor:in) / C. C. Heasly (Autor:in)

    Erscheinungsdatum :

    1987


    Format / Umfang :

    103 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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