SOURCE
U.S. Department of Transportation, Federal Highway Administration, Toll Facilities in the United States: Bridges-Roads-Tunnels-Ferries, Washington, DC: July 2003
DEFINITION
Total length of toll roads by state, in miles.
DEFINITION: Total length of toll roads by state, in miles.
SOURCE: U.S. Department of Transportation, Federal Highway Administration, Toll Facilities in the United States: Bridges-Roads-Tunnels-Ferries, Washington, DC: July 2003 via StateMaster