The 12 papers in the report deal with the following areas: Effects of misaimed low beams and high beams on visual detection of reflectorized targets at night; Visibility criteria and application techniques for roadway lighting; Effect of luminaire arrangement on object visibility; Color appearance of traffic control devices under different illuminants; Major road accident reduction by illumination; Visibility of targets; Effects of headlamp aim and aiming variability on visual performance in night driving; Minimum photometric properties of retroreflective signing materials; Mobile system for measuring the retroreflectance of traffic signs; Streetlighting research needs of U.S. utilities; Effects of asymmetric distributions on roadway luminance; New CIE and ANSI/IES recommendations for vehicular tunnel lighting.


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    Titel :

    Visibility Criteria for Signs, Signals, and Roadway Lighting


    Beteiligte:
    H. T. Zwahlen (Autor:in) / M. E. Miller (Autor:in) / J. Yu (Autor:in)

    Erscheinungsdatum :

    1989


    Format / Umfang :

    111 pages



    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Visibility criteria for signs, signals and roadway lighting

    National Research Council, Transportation Research Board, USA | TIBKAT | 1989





    Effects of Full Matrix Color Changeable Message Signs on Legibility and Roadway Hazard Visibility

    Chrysler, Susan T. / Carlson, Paul J. / Brimley, Brad et al. | Transportation Research Record | 2017