4-2 Number of Aircraft, Railcars, Vehicles, and Vessels: 1990-2006

4-2 Number of Aircraft, Railcars, Vehicles, and Vessels: 1990-2006

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Mode 1990 2000 R2005 2006
Air        
Air carrier 6,083 8,055 8,225 U
General aviation 198,000 217,533 224,352 221,943
Highway        
Automobiles 133,700,496 133,621,420 136,568,083 135,399,945
Other 2-axle, 4-tire vehiclesa 48,274,555 79,084,979 95,336,839 99,124,775
Buses(municipally owned transit and commercial, federal, and school buses) 626,987 746,125 807,053 821,959
Motorcycles 4,259,462 4,346,068 6,227,146 6,686,147
Trucks        
Single-unit 4,486,981 5,926,030 6,395,240 6,649,337
Combination 1,708,895 2,096,619 2,086,759 2,169,670
Rail-Passenger        
Amtrak-Cars 1,863 1,894 1,186 1,191
Amtrak-Locomotives 318 378 258 319
Commuter railcars and locomotives 5,007 5,498 6,392 6,403
Transitb 11,332 12,168 12,755 12,853
Rail-freight        
Class I-Freight cars 658,902 560,154 474,839 475,415
Class I-Locomotives 18,835 20,028 22,779 23,732
Other freight cars 553,359 820,642 837,406 871,092
Waterborne        
Nonself-propelled vessels (barges)c,d 31,209 33,152 32,052 32,211
Self-propelled vesselsc,d 8,236 8,202 8,976 8,898
Oceangoing shipsd (1,000 gross tons and over) 636 454 357 286
Recreational boats(numbered boats) 10,996,253 12,782,143 12,942,414 12,746,126

a Includes vans, pickup trucks, sport utility vehicles, and other 2-axle, 4-tire motor vehicles that are not passenger cars. b Includes light and heavy rail transit only. c See Glossary for definitions. d U.S.-flag vessels.

Key: R = revised, U = unavailable.

Note: Other Freight Cars data for 2005 are revised. Transit and Commuter Rail data for 2006 are preliminary.

Sources: Air-Federal Aviation Administration, Highway-Federal Highway Administration, Rail-Amtrak and Association of American Railroads, Transit-American Public Transit Association, Waterborne-U.S. Army, Corps of Engineers and U.S. Coast Guard as cited in U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics, table 1-11, available at http://www.bts.gov as of January 2009.