Highway Functional Classification System
Highway Functional Classification System
SOURCES
U.S. Department of Transportation, Federal Highway Administration and Federal Transit Administration, 1999 Status of the Nation's Highways, Bridges, and Transit: Conditions and Performance (Washington, DC: 2000).
U.S. Department of Transportation, Federal Highway Administration, Our Nation's Highways: Selected Facts and Figures 1998 (Washington, DC: 1998).