TABLE 1-21a  Change in Highway Vehicle-Miles of Travel by Vehicle Type: 1993–2003,,,,,,,,,,,
"1993 = 100
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,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003
"Highway, total",100,103,106,108,112,115,117,120,122,124,126
Passenger vehicles,100,102,105,108,111,114,116,119,121,124,125
Passenger cars,100,102,105,107,109,113,114,116,118,121,121
Light trucks,100,103,106,109,114,116,121,124,126,130,134
Buses,100,105,105,107,112,114,125,124,116,112,108
Motorcycles,100,103,99,100,102,104,107,106,97,96,96
  Freight vehicles,100,106,111,114,120,123,127,129,131,134,135
"Trucks, single-unit, 2-axle, 6-tire or more",100,108,110,113,118,120,124,124,128,134,137
"Trucks, combination",100,106,112,115,121,124,128,131,132,135,134
"
NOTES: Light trucks include sport utility vehicles, minivans, and pickup trucks. To make it easier to compare data of differing magnitudes over time, the Bureau of Transportation Statistics divided the data for all years in each category (see table 1-21b) by the initial year value. ",,,,,,,,,,,
"
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, calculations using data in table 1-21b.",,,,,,,,,,,
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