(Trillions)
Excel | CSV | Graphic Version
| Year | Passenger-Miles |
|---|---|
| 1975 | 2,557,177 |
| 1980 | 2,871,260 |
| 1985 | 3,202,200 |
| 1990 | 3,800,500 |
| 1995 | 4,131,300 |
| 1999 | 4,800,000 |
SOURCE: 1975-1995-various sources as cited in U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics 2001 (Washington, DC: 2002); 2000 data-various sources as compiled by the Bureau of Transportation Statistics.