| Mode | 2007 | 2008 | 2009 | 2010 |
|---|---|---|---|---|
| Air | ||||
| Air carrier | 607,564 | 583,292 | 551,741 | 564,790 |
| Highway | ||||
| Light duty vehiclesa | 4,341,984 | 4,248,783 | 3,625,598 | 3,645,368 |
| Motorcycles | 27,173 | 26,430 | 22,428 | 19,886 |
| Busesb | 307,753 | 314,278 | 305,014 | 292,319 |
| Trucks | 304,178 | 310,680 | 288,306 | 286,585 |
| Rail | ||||
| Transitc | 18,068 | 18,931 | 19,001 | 18,580 |
| Commuter | 11,137 | 11,032 | 11,129 | 10,774 |
| Intercity/Amtrakd | 5,784 | 6,179 | 5,914 | 6,420 |
| Other transite | 2,125 | 2,390 | 2,500 | 2,535 |
aLight duty vehicles include passenger cars, light trucks, vans and sport utility vehicles regardless of wheelbase. bIncludes municipally owned transit and commercial, federal, and school buses. cIncludes light and heavy rail only. dFiscal year data. eIncludes on-demand service, ferryboat, and other unspecified means of transit.
Notes: Air carrier and highway data for 2009 are revised.
Sources: Air Carrier—U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, General Aviation—National Transportation Safety Board, Highway—U.S. Department of Transportation, Federal Highway Administration, Intercity/Amtrak—Association of American Railroads, Transit and Commuter Rail—American Public Transportation Association as cited in U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics, table 1-40, available at http://www.rita.dot.gov/bts/sites/rita.dot.gov.bts/files/publications/national_transportation_statistics/index.html accessed September 2012.