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Figure 2-2: Highway Vehicle-Miles Traveled by Vehicle Type: 2002

Despite doubling over the past two decades, truck traffic remains a relatively small share of highway traffic as a whole. In 2002, commercial trucks accounted for about 8 percent of highway VMT. Truck VMT comprised 65 percent combination truck and 35 percent single-unit truck.

See paragraph above and table below for explanation of Figure 2-2

Data represented in the figure
Table in Excel format

Vehicle type Millions of miles
Passenger car1,658,640
Light trucks966,184
Truck, single-unit 2-axle 6-tire or more75,887
Truck, combination138,643

Note: “Other” comprises bus and motorcyle. Light trucks includes pickup, minivans, and sport utility vehicles.

Source: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics (Washington, DC: Annual issues), table VM-1, and as of July 14, 2004.

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