Table 9 Passenger-Miles
Table 9 Passenger-Miles
(Millions)
| Mode | 1970 | 1980 | 1990 | 1995 | 1999 |
|---|---|---|---|---|---|
| Air carriersR | 108,442 | 204,368 | 345,873 | 403,888 | 487,906 |
| General aviation | 9,100 | 14,700 | 13,000 | R10,800 | U |
| Passenger carsR | 1,750,897 | 2,011,989 | 2,281,391 | 2,271,310 | 2,495,140 |
| MotorcyclesR | 3,277 | 12,257 | 12,424 | 11,560 | 11,642 |
| Other 2-axle, 4-tire vehiclesa,R | 225,613 | 520,774 | 999,754 | 1,338,135 | 1,432,782 |
| Trucks: Single-unitR | 27,081 | 39,813 | 51,901 | 62,705 | 70,311 |
| Trucks: CombinationR | 35,134 | 68,678 | 94,341 | 115,451 | 132,386 |
| Busesb,R | N | N | 121,398 | 136,104 | 162,466 |
| Otherc | N | 390 | 841 | 1,140 | U |
| Rail: Transitd,R | N | 10,939 | 12,046 | 11,419 | U |
| Rail: CommuterR | 4,592 | 6,516 | 7,082 | 8,244 | U |
| Rail: Intercity/Amtrake,R | 6,179 | 4,503 | 6,057 | 5,545 | 5,330 |
a In July 1997, the U.S. Department of Transportation, Federal Highway Administration, reassigned some vehicle from "passenger car" to "other 2-axle, 4-tire."
b Includes municipally owned transit, commercial, federal, and school buses.
c Includes demand responsive, ferry boat, and other transit not specified; 1980 data include ferry boat and "other transit" only.
d Includes light and heavy rail only.
e Fiscal year data. Amtrak began operations in 1971.
Key: N = data do not exist; R = revised; U = unavailable.
Sources: U.S. Department of Transportation (USDOT), Bureau of Transportation Statistics (BTS), National Transportation Statistics 2000 (Washington, DC: In press), table 129; USDOT, BTS, Office of Airline Information, Air Carrier Traffic Statistics (Washington, DC: 2000); USDOT, Federal Highway Administration, Highway Statistics 1999 (Washington, DC: 2000); and Association of American Railroads, Railroad Facts,1999 (Washington, DC: 2000).