|Light duty vehiclesa||3,281,144||4,012,121||4,248,783||3,621,589|
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: Highway data for 2007 through 2009 were revised in 2011 using a new methodology developed by FHWA. Data for these years are based on new categories and are not comparable to previous years.
Sources: Air Carrier—Bureau of Transportation Statistics, General Aviation—National Transportation Safety Board, Highway—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.bts.gov/publications/national_transportation_statistics/ as of October 2011.