2-3 Passenger-Miles Traveled
millions
| Mode | 2007 | 2014 |
|---|---|---|
| Air | ||
| U.S. air carrier, domestic | 607,564 | 607,772 |
| Highway | ||
| Light-duty vehiclea | 4,341,984 | 3,731,888 |
| Motorcycle | 27,173 | 21,510 |
| Truck | 304,178 | 279,132 |
| Bus | 307,753 | 339,177 |
| Passenger rail | ||
| Amtrakb | 5,784 | 6,675 |
| Commuter rail | 11,137 | 11,600 |
| Heavy rail | 16,138 | 18,339 |
| Light railc | 1,930 | 2,675 |
aIncludes passenger cars, light trucks, vans, and sport utility vehicles. bMeasured in revenue passenger-miles. cLight rail was revised beginning in 2011 and includes light rail, street car rail, and hybrid rail.
Source: As cited in U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics, table 1-40, available at www.bts.gov as of October 2016.