Abstract
The safety impacts of improving pavement skid resistance were examined in this study by using data from New York State. The New York Department of Transportation runs a skid-accident reduction program that identifies sections of pavement with a high proportion of wet-road accidents, friction-tests these locations, and treats those with both a high proportion of wet-road accidents and low friction numbers. An empirical Bayes before–after study was conducted of locations that were treated under this program. The results indicate that this can be a highly cost-effective safety treatment for both intersections and road segments that warrant skid resistance improvement because of a high frequency of wet road accidents and low friction numbers.
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