Accidents analyzed from point of view of fields of vision, color and safety; good legibility of traffic sign is direct function of size and contrast; research led to accepted fact that in recognition red was color of first importance, then green, then yellow, with white fourth; review of recent tests on color and legibility.
Safety on highway [midline ellipsis] Problem of vision, visibility and color
Traffic Eng
Traffic Engineering ; 27 , n 12
1957
4 pages
Aufsatz (Zeitschrift)
Englisch
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