Orrin Riley ... [and others] ; research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration
Date
1978
Series
Report (National Cooperative Highway Research Program) ; 191
Report (National Cooperative Highway Research Program); 191
sponsored by Federal Highway Administration [and] Transportation Research Board, with cooperation and assistance of Office of the Secretary, Urban Mass Transportation Administration, U.S. Department of Transportation
Date
1991
Series
Special report (National Research Council (U.S.). Transportation Research Board) ; 231