2-1 Vehicle-Miles Traveled
millions
Mode | 2003 | 2013 |
---|---|---|
Air | ||
U.S. air carrier, domestica | 6,106 | 5,965 |
Highway | ||
Light-duty vehicleb | * | 2,677,771 |
Motorcycle | * | 20,366 |
Truck | * | 275,018 |
Bus | * | 15,167 |
Passenger rail | ||
Amtrakc | 332 | 325 |
Commuter railc | 286 | 355 |
Heavy railc | 630 | 674 |
Light railc | 64 | 109 |
*2003 highway data are omitted because they are not comparable to 2013 data due to a change in vehicle occupancy rates derived from National Household Travel Surveys.
aMeasured in revenue aircraft-miles. bIncludes passenger cars, light trucks, vans, and sport utility vehicles. cMeasured in passenger car-miles. dIn 2013 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 1-35, available at www.bts.gov as of September 2015.