In 2020, the highway network in the United States had a total length of around 4.17 million statute miles. One statute mile is approximately equal to 5,280 feet. The United States has one of the most extensive road networks worldwide.
Highway mileage within the United States from 1990 to 2020
(in million statute miles)
Characteristic
Length in million statute miles
2020
4.17
2019
4.17
2018
4.18
2017
4.17
2016
4.14
2015
4.15
2014
4.18
2013
4.12
2012
4.09
2011
4.08
2010
4.07
2009
4.05
2008
4.04
2007
4.03
2006
4.02
2005
4
2004
3.98
2003
3.97
2002
3.97
2001
3.95
2000
3.94
1999
3.92
1998
3.91
1997
3.95
1996
3.92
1995
3.91
1994
3.91
1993
3.91
1992
3.9
1991
3.88
1990
3.87
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All public road street mileage in the 50 states and the District of Columbia. No consistent data on private road mileage are available. Beginning in 1998, approximately 43,000 miles of Bureau of Land Management Roads are excluded.
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US Department of Transportation. (February 3, 2022). Highway mileage within the United States from 1990 to 2020 (in million statute miles) [Graph]. In Statista. Retrieved July 22, 2024, from https://www.statista.com/statistics/183397/united-states-highway-mileage-since-1990/
US Department of Transportation. "Highway mileage within the United States from 1990 to 2020 (in million statute miles)." Chart. February 3, 2022. Statista. Accessed July 22, 2024. https://www.statista.com/statistics/183397/united-states-highway-mileage-since-1990/
US Department of Transportation. (2022). Highway mileage within the United States from 1990 to 2020 (in million statute miles). Statista. Statista Inc.. Accessed: July 22, 2024. https://www.statista.com/statistics/183397/united-states-highway-mileage-since-1990/
US Department of Transportation. "Highway Mileage within The United States from 1990 to 2020 (in Million Statute Miles)." Statista, Statista Inc., 3 Feb 2022, https://www.statista.com/statistics/183397/united-states-highway-mileage-since-1990/
US Department of Transportation, Highway mileage within the United States from 1990 to 2020 (in million statute miles) Statista, https://www.statista.com/statistics/183397/united-states-highway-mileage-since-1990/ (last visited July 22, 2024)
Highway mileage within the United States from 1990 to 2020 (in million statute miles) [Graph], US Department of Transportation, February 3, 2022. [Online]. Available: https://www.statista.com/statistics/183397/united-states-highway-mileage-since-1990/
