TABLE 1-21a Change in Highway Vehicle-Miles of Travel by Vehicle Type: 1993-2003

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.