The objective of this study was to determine the magnitude and characteristics of safety problems, in terms of reported accidents, that are associated with moving vehicular traffic around and through highway work zones. This was accomplished by examining the 2,127 reported work zone accidents that occurred in 1977 in Virginia. These represented roughly 1.5% of all reported accidents. It was estimated, however, that due to the sampling procedure, only about 82% of the total number of (reported) work zone accidents were identified. Examined were work zone accidents, general and .specific locations of the accidents, time of the accidents, roadway and environmental factors, characteristics of the work zone, causes of the accidents, and accident severity. Where data were available, comparisons of accidents were made-of the characteristics of the work zone accidents to those found in the literature and to those for all Virginia accidents.
The evaluations reported here focused on the effects of increased enforcement of speed laws on the number of total crashes, injury and fatal crashes, ...
In order to establish priorities for allocating highway funds available for safety improvements, an investigation was made of a method for ranking the...
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United States Department of Transportation
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