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Freight Facts and Figures 2012

Table 3-9. Annual Vehicle Distance Traveled by Highway Category and Vehicle Type: 2010

Freight moving in combination trucks depends heavily on the Interstate System. Although only one-fourth of the distance traveled by all traffic is on the Interstate System, nearly one-half of combination-truck vehicle miles of travel are on Interstate highways.

Table in Excel format

Blank cell. Combination Trucks Single-Unit Trucks1 Other2 Light-duty Vehicles3 Total, All Motor Vehicles
Interstate vehicle miles (millions) 85,041 25,691 7,312 605,295 723,339
Interstate percent 48.3 23.2 22.7 22.9 24.4
Non-Interstate vehicle miles (millions) 90,871 84,982 24,939 2,042,363 2,243,154
Non-Interstate percent 51.7 76.8 77.3 77.1 75.6
Total vehicle miles, all roadways (millions) 175,911 110,674 32,251 2,647,659 2,966,494

1Trucks on a single frame with at least two axles and six tires.

2Includes buses and motorcycles.

3Includes passenger cars, light trucks, vans and sport utility vehicles with a wheelbase equal to or less than 121 inches and large passenger cars, vans, light trucks, and sport utility vehicles with a wheelbase larger than 121 inches.


Based on a new methodology, FHWA revised its annual vehicle miles travelled, number of vehicles, and fuel economy data beginning with 2007. Information on the new methodology is available at Data in this table should not be compared to those in pre-2011 editions of Freight Facts and Figures. Numbers may not add to totals due to rounding.


U.S. Department of Transportation, Federal Highway Administration, Highway Statistics, table VM-1, available at as of July 20, 2012.


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