In a real-world street driving situation, the time required for test drivers to perceive targets in the traffic lanes under different illumination levels and uniformities is measured. Among the conclusions drawn was that, for simple targets, pure contrast ratio is a good predictor of driver visibility.
In: Driver visual needs in night driving : proceedings of a Symposium conducted by the Transportation Research Board at the Ohio State University, Columbus, September 4-6, 1974, TRB Special Report SR 156, p. 40-52, 1 fig., 5 graph., 5 tab., 7 ref.
This publication is one of our other publications, and part of our extensive collection of road safety literature, that also includes the SWOV publications.