2-1 Vehicle-Miles Traveled
millions
Mode | 2002 | 2012 |
---|---|---|
Air | ||
U.S. air carrier, domestica | 5,613 | 5,956 |
Highway | ||
Light-duty vehicleb,c | * | 2,664,445 |
Motorcycleb | * | 21,298 |
Truckb | * | 268,318 |
Busb | * | 14,755 |
Passenger rail | ||
Amtrakd | 379 | 319 |
Commuter raild | 284 | 318 |
Heavy raild | 621 | 638 |
Light raild | 61 | 91 |
*2002 highway data are omitted because they are not comparable to 2012 data due to a change in vehicle occupancy rates derived from National Household Travel Surveys.
aMeasured in revenue aircraft-miles. bData for 2002 and 2012 may not be comparable due to changes in methodology. cIncludes passenger cars, light trucks, vans, and sport utility vehicles. dMeasured in car-miles.
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 2014.