Abstract
The study reported took place in 2 parts: laboratory tests and outdoor observations. It is suggested that glance legibility was measured by the laboratory procedure and that it requires higher luminance. See also PB- 6018.
The study reported took place in 2 parts: laboratory tests and outdoor observations. It is suggested that glance legibility was measured by the laboratory procedure and that it requires higher luminance. See also PB- 6018.
In: Transportation Research Record TRR No. 562, 1976, p. 59-72, 9 graph., 2 tab., 17 ref.
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