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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Table 1-2 Public Roads and Bridges: 2000, 2010, 2013, and 2014

Tuesday, February 14, 2017

Excel

  2000 2010 2013 2014
Public Road and Street Mileage by Functional Type (miles)        
Interstate 46,427 46,900 47,575 47,662
Other freeways and expressways 9,140 14,619 16,445 17,250
Other principal arterial 152,233 157,194 156,915 157,034
Minor arterial 227,364 242,815 243,872 244,961
Collectors 793,124 799,226 803,807 808,363
Local 2,707,934 2,806,322 2,846,848 2,901,804
TOTAL, mileage 3,936,222 4,067,076 4,115,462 4,177,073
Lane-miles 8,224,245 8,581,158 8,656,070 8,766,049
Bridges 587,135 604,460 607,708 610,749

SOURCE: U.S. Department of Transportation (USDOT), Federal Highway Administration (FHWA), Highway Statistics (multiple years), as cited in the USDOT. Bureau of Transportation Statistics (BTS). National Transportation Statistics (NTS). Tables 1-5, 1-6, 1-28. Available at http://www.bts.gov/ as of May 2016.