Figure 1,,,,,
Changes in Vehicle-Miles of Travel by Vehicle Type: 1990–2000,,,,,
(Index: 1990 = 1.0),,,,,
Year,Passenger car,Motorcycle,Other 2-axle 4-tire vehicle,Truck,Bus
1990,1.00,1.00,1.00,1.00,1.00
1991,0.96,0.96,1.13,1.02,1.00
1992,0.97,1.00,1.23,1.05,1.01
1993,0.98,1.04,1.30,1.09,1.07
1994,1.00,1.07,1.33,1.16,1.12
1995,1.02,1.03,1.37,1.22,1.12
1996,1.04,1.04,1.42,1.25,1.15
1997,1.07,1.05,1.48,1.31,1.19
1998,1.10,1.08,1.51,1.34,1.22
1999,1.11,1.11,1.57,1.39,1.34
2000,1.14,1.10,1.61,1.41,1.33
"SOURCE: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics (Washington, DC: Annual issues).",,,,,