U.S. Department of Transportation, Federal Highway Administration and Environmental Planning Division within the Location Section, Highway Development Group, Arizona Highway Department
by Gregg J. Wiche ... [and others] ; prepared in cooperation with the Louisiana Department of Transportation and Development, Office of Highways; and the U.S. Department of Transportation, Federal Highway Administration
by Gregg J. Wiche ... [et al.] ; prepared in cooperation with the Louisiana Department of Transportation and Development, Office of Highways; and the U.S. Department of Transportation, Federal Highway Administration