Recommended CitationHarr, M. E., and G. A. Leonards. A Theory of Traffic Flow for Evaluation of the Geometric Aspects of Highways. Publication FHWA/IN/JHRP-61/08. Joint Highway Research Project, Indiana Department of Transportation and Purdue University, West Lafayette, Indiana, 1960. doi: 10.5703/1288284313592.
Joint Highway Research Project
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