Estimates of urban roadway congestion, 1990 /
prepared by David L. Schrank, Shawn M. Turner and Timothy J. Lomax.

APA Citation

Lomax, T. J., Turner, S., Schrank, D. L., United States. Federal Highway Administration. Office of Traffic Management and IVHS., Texas. Transportation Planning Division., Texas Transportation Institute. (1994). Estimates of urban roadway congestion, 1990. Washington, DC: U.S. Department of Transportation, Office of Traffic Management and Intelligent Vehicle Highway Systems .

MLA Citation

Texas Transportation Institute, et al.. Estimates of Urban Roadway Congestion, 1990. Washington, DC: U.S. Department of Transportation, Office of Traffic Management and Intelligent Vehicle Highway Systems , 1994.