The purpose of this guide is to provide efficient procedures for making accurate estimates of annual average daily traffic (ADT) volumes based on sample counts.
PennDOT was created in 1970 when the former Department of Highways was merged with transportation related functions from the Departments of Revenue, C...
The Nebraska Department of Roads, in cooperation with the Federal Highway Administration, collected and analyzed data at 61 continuous traffic count l...
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United States Department of Transportation
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