|Other 2-axle, 4-tire vehiclesa||574,571||923,059||1,041,051||1,089,013|
|Class I freight||26,159||34,590||37,712||38,955|
a Includes vans, pickup trucks, sport utility vehicles, and other 2-axle, 4-tire motor vehicles that are not passenger cars. b Includes municipally owned transit and commercial, federal, and school buses. c Car-miles. d Includes light and heavy rail only. e Fiscal year data.f Includes demand response, ferryboat, and other transit not specified.
Key: R = revised.
Note: Highway Data for 2005 are revised.
Sources: Air Carrier-Bureau of Transportation Statistics, General Aviation-National Transportation Safety Board, Highway-Federal Highway Administration, Class I and Intercity Rail-Association of American Railroads, Transit and Commuter Rail-American Public Transit Association as cited in U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics, table 1-32, available at http://www.bts.gov as of October 2008.