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Public Road Length, Miles by Ownership
The difference in total miles between tables 1-1 and 1-2 results from the Federal Highway Administration's (FHWA) expansion of sample data to derive estimates of road length by different variables. FHWA considers the length totals in table 1-1 to be the control totals should a single value be required.
1 Includes state park, State toll, other state agency, other local agency and other roadways not identified by ownership.
2 Roadways in Federal parks, forests, and reservations that are not part of the State and local highway systems.
3 Data for Puerto Rico are for 2009.
U.S. Department of Transportation, Federal Highway Administration, Highway Statistics, HM-10, available at as of June 2015.