Table 10 Vehicle-Miles

Table 10 Vehicle-Miles

(Millions)

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Mode 1970 1980 1990 2000 2001
Air carriers 2,068 2,523 3,963 5,664 5,550
General aviation 3,207 5,204 4,548 aN aN
Passenger cars 916,700 1,111,596 1,408,266 1,600,287 1,619,422
Motorcycles 2,979 10,214 9,557 10,469 9,529
Other 2-axle, 4-tire vehiclesb 123,286 290,935 574,571 923,059 937,839
Trucks:          
Single-unit 27,081 39,813 51,901 70,500 72,286
Combination 35,134 68,678 94,341 135,020 135,400
Busesc 4,544 6,059 5,726 7,590 6,986
Rail:d          
Transite 441 403 561 648 P662
Commuter N 179 213 271 P277
Class I freight 29,890 29,277 26,159 34,590 34,243
Intercity/Amtrakf 690 235 301 368 378
Other transitg N 15 324 833 P867

a The Federal Aviation Administration has estimated vehicle-miles for general aviation aircraft through 1997, relying in part on hours-flown survey data. Vehicle-miles estimates for subsequent years are not yet available.

b In July 1997, the U.S. Department of Transportation, Federal Highway Administration, reassigned some vehicle-miles from "passenger car" to "other 2-axle, 4-tire."

c Includes municipally owned transit, commercial, federal, and school buses.

d Car-miles.

e Includes light and heavy rail only.

f Fiscal year data. Amtrak began operations in 1971.

g Includes demand responsive, ferry boat, and other transit not specified; 1980 data include "other transit" only.

Key: N = data are nonexistent; P = preliminary; R = revised.

Sources: Except as noted, various sources, as cited in U.S. Department of Transportation (USDOT), Bureau of Transportation Statistics (BTS), National Transportation Statistics 2002, available at http://www.bts.gov, table 1-32. 2001 air carriers-USDOT, Bureau of Transportation Statistics, Air Carrier Traffic Statistics (Washington, DC: Annual December issues).