In 2023, the highway network in the United States had a total length of around 4.2 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 2022
(in statute miles)
Characteristic
Length in million statute miles
2022
4,197,446
2021
4,187,440
2020
4,172,562
2019
4,171,125
2018
4,176,915
2017
4,165,349
2016
4,140,108
2015
4,154,727
2014
4,177,073
2013
4,115,462
2012
4,092,730
2011
4,077,756
2010
4,067,077
2009
4,050,717
2008
4,042,778
2007
4,032,126
2006
4,016,741
2005
3,995,635
2004
3,981,512
2003
3,974,107
2002
3,966,486
2001
3,948,335
2000
3,936,222
1999
3,917,243
1998
3,906,292
1997
3,945,872
1996
3,919,652
1995
3,912,226
1994
3,906,595
1993
3,905,211
1992
3,901,081
1991
3,883,920
1990
3,866,926
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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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Bureau of Transportation Statistics. (April 11, 2024). Highway mileage within the United States from 1990 to 2022 (in statute miles) [Graph]. In Statista. Retrieved December 19, 2024, from https://www.statista.com/statistics/183397/united-states-highway-mileage-since-1990/
Bureau of Transportation Statistics. "Highway mileage within the United States from 1990 to 2022 (in statute miles)." Chart. April 11, 2024. Statista. Accessed December 19, 2024. https://www.statista.com/statistics/183397/united-states-highway-mileage-since-1990/
Bureau of Transportation Statistics. (2024). Highway mileage within the United States from 1990 to 2022 (in statute miles). Statista. Statista Inc.. Accessed: December 19, 2024. https://www.statista.com/statistics/183397/united-states-highway-mileage-since-1990/
Bureau of Transportation Statistics. "Highway Mileage within The United States from 1990 to 2022 (in Statute Miles)." Statista, Statista Inc., 11 Apr 2024, https://www.statista.com/statistics/183397/united-states-highway-mileage-since-1990/
Bureau of Transportation Statistics, Highway mileage within the United States from 1990 to 2022 (in statute miles) Statista, https://www.statista.com/statistics/183397/united-states-highway-mileage-since-1990/ (last visited December 19, 2024)
Highway mileage within the United States from 1990 to 2022 (in statute miles) [Graph], Bureau of Transportation Statistics, April 11, 2024. [Online]. Available: https://www.statista.com/statistics/183397/united-states-highway-mileage-since-1990/
