U.S. highway mileage 1990-2017

This statistic represents the highway mileage within the United States from 1990 through 2017. In 2017, the highway network in the United States had a total length of around 4.17 million statute miles.

Highway mileage within the United States from 1990 to 2017

YearLength in statute miles
174,165,349
164,140,108
154,154,727
144,177,073
134,115,462
124,092,730
114,077,756
104,067,077
094,050,717
084,042,778
074,032,126
064,016,741
053,995,635
043,981,512
033,974,107
023,966,485
013,948,335
003,936,222
953,912,226
903,866,926
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Source

Release date

March 2019

Region

United States

Survey time period

1990 to 2017

Supplementary notes

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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