Overhead guide sign retroreflectivity and illumination : [technical summary].
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2015-01-01
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Abstract:Compared to daylight driving, nighttime driving is more demanding because of visibility
issues, such as a driver’s visual acuity, contrast sensitivity, distance judgment, and
color discrimination. Overhead highway signs are very important for enhancing driver
guidance. The objective of these signs is to provide roadway drivers with information
regarding destinations and other driving maneuvers required to safely reach specific
destinations.
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