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Transportation system mileage by type 2004-2015

U.S. transportation system mileage from 2004 to 2015, by type

The data describes U.S. transportation system mileage from 2004 through 2015, with a breakdown by type. In 2015, the U.S. highway system measured over 4.1 million miles. According to the source, the U.S. highway system encompasses all public road and street mileage in the 50 states and the District of Columbia.

2004 3981512 97662 22256 25000 166669 1925748
2005 3995635 95664 22007 25000 166760 1962351
2006 4016741 94801 21708 25000 166719 2022474
2007 4032126 94313 21708 25000 169846 2025731
2008 4042778 94082 21178 25000 173789 2075191
2009 4050717 93921 21178 25000 175965 2086689
2010 4067077 95573 21178 25000 181986 2102366
2011 4077756 95387 21225 25000 183580 2121217
2012 4092730 95391 21334 25000 186221 2137866
2013 4115462 95235 21356 25000 192412 2149697
2014 4177073 94372 21356 25000 199659 2169254
2015 4154727 93628 21358 25000 208616 2190494