Data for figure 8,,,,,,,,,,,,,,,,
Truck Vehicle-Miles Traveled on U.S. Highways: 1980 - 2003,,,,,,,,,,,,,,,,
(Billions),,,,,,,,,,,,,,,,
,1980,1985,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003
"Truck, single-unit 2-axle 6-tire or more",40,45,52,53,54,57,61,63,64,67,68,70,71,72,76,78
"Truck, combination",69,78,94,97,100,103,109,115,119,125,128,132,135,137,139,138
"Truck, total",108,124,146,150,153,160,170,178,183,191,196,203,206,209,215,216
"
NOTE: Total trucks exclude light trucks such as pickup trucks, sport utility vehicles, and minivans.",,,,,,,,,,,,,,,,
"SOURCE:  U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics 2004, available at http://www.bts.gov/publications/national_transportation_statistics/ as of August 2005.",,,,,,,,,,,,,,,,
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