Obstacle visibility in rural night driving as related to reflective qualities of the road surface.

Author(s)
Helmers, G. & Rumar, K.
Year
Abstract

Night driving visibility distances are measured. The road surface has been the main independent variable. Rough and smooth road surfaces have been used and their reflective qualities varied in both dry and wet conditions. One of the results is that in meeting situations on dry roads visibility distance to obstacles with a luminance factor larger than 5% is directly dependent on the luminance factor and comparatively independent of the road surface retroreflection.

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Publication

Library number
B273 /83.1/83.2/
Source

Uppsala University of Uppsala, Dept. of Psychology, 1973, IV + 19 p. + app., 10 fig., 3 tab., 18 ref.; Report 137.

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