4-2 Number of Aircraft, Railcars, Vehicles, and Vessels: 1980-2005

4-2 Number of Aircraft, Railcars, Vehicles, and Vessels: 1980-2005

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Mode 1990 2000 2004 2005
Air        
Air carrier 6,083 8,055 8,186 8,225
General aviation 198,000 217,533 219,426 224,352
Highway        
Automobiles 133,700,496 133,621,420 136,430,651 136,568,083
Other 2-axle, 4-tire vehiclesa 48,274,555 79,084,979 91,845,327 95,336,839
Buses(municipally owned transit and commercial, federal, and school buses) 626,987 746,125 795,274 807,053
Motorcycles 4,259,462 4,346,068 R5,767,934 6,227,146
Trucks        
Single-unit 4,486,981 5,926,030 6,161,028 6,395,240
Combination 1,708,895 2,096,619 2,010,335 2,086,759
Rail-Passenger        
Amtrak-Cars 1,863 1,894 1,211 1,186
Amtrak-Locomotives 318 378 276 258
Commuter railcars and locomotives 5,007 5,498 6,228 P6,392
Transitb 11,332 12,168 12,480 P12,755
Rail-freight      
Class I-Freight cars 658,902 560,154 473,773 474,839
Class I-Locomotives 18,835 20,028 22,015 22,779
Other freight cars 553,359 820,642 814,147 837,461
Waterborne        
Nonself-propelled vessels (barges)c,d 31,209 33,152 31,296 32,052
Self-propelled vesselsc,d 8,236 8,202 8,994 8,976
Oceangoing shipsd (1,000 gross tons and over) 636 454 412 357
Recreational boats(numbered boats) 10,996,253 12,782,143 12,781,476 12,942,414

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: P = preliminary; R = revised.

Sources: Except as noted, various sources, 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 September 2007.