In planning of West Virginia Turnpike in 1950, it became evident that traffic would not need fully dualized facility; it was decided that normal roadway would consist of two 12-ft traffic lanes flanked by heavy duty paved shoulders 9-ft wide; on long grades of between 3 and 5%, third 12-ft creeper lane flanked by paved shoulder 2 ft wide would be used on upgrade to accommodate truck traffic.
Using creeper lanes for trucks on West Virginia Turnpike
Traffic Quarterly
Traffic Quarterly ; 11 , n 1
1957
12 pages
2 plates
Article (Journal)
English
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