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TABLE L-6 Number of US Aircraft, Vehicles, and Other Conveyances: 1994-2004

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  1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
Air                      
Air carrier 7,370 7,411 7,478 7,616 8,111 8,228 8,055 8,497 8,194 8,176 8,186
General aviation (active fleet) 172,935 188,089 191,129 192,414 204,710 219,464 217,533 211,446 211,244 209,708 U
Highway, total (registered vehicles) 201,801,921 205,427,212 210,441,249 211,580,033 215,496,003 220,461,056 225,821,241 235,331,382 234,624,135 236,760,033 243,023,485
Passenger car 127,883,469 128,386,775 129,728,341 129,748,704 131,838,538 132,432,044 133,621,420 137,633,467 135,920,677 135,669,897 136,430,651
Motorcycle 3,756,555 3,897,191 3,871,599 3,826,373 3,879,450 4,152,433 4,346,068 4,903,056 5,004,156 5,370,035 5,780,870
Other 2-axle 4-tire vehicle 62,903,589 65,738,322 69,133,913 70,224,082 71,330,205 75,356,376 79,084,979 84,187,636 85,011,305 87,186,663 91,845,327
Truck, single-unit 2-axle 6-tire or more 4,906,385 5,023,670 5,266,029 5,293,358 5,734,925 5,762,864 5,926,030 5,703,501 5,650,619 5,848,523 6,161,028
Truck, combination 1,681,500 1,695,751 1,746,586 1,789,968 1,997,345 2,028,562 2,096,619 2,154,174 2,276,661 1,908,365 2,010,335
Bus 670,423 685,503 694,781 697,548 715,540 728,777 746,125 749,548 760,717 776,550 795,274
Transit                      
Motor bus 68,123 67,107 71,678 72,770 72,142 74,228 75,013 76,075 76,190 77,328 81,033
Light rail cars 1,051 1,048 1,114 1,078 1,076 1,180 1,327 1,371 1,448 1,482 1,622
Heavy rail cars 10,282 10,166 10,243 10,228 10,296 10,362 10,311 10,718 10,849 10,754 10,858
Trolley bus 643 695 675 655 646 657 652 600 616 672 597
Commuter rail cars and locomotives 5,126 5,164 5,240 5,426 5,536 5,550 5,498 5,572 5,724 5,959 6,228
Demand response 28,729 29,352 30,804 32,509 29,646 31,884 33,080 34,661 34,699 35,954 37,078
Other 2,505 2,809 3,003 3,808 4,703 5,059 5,208 5,727 6,330 6,272 6,566
Rail                      
Class I, Freight cars 590,930 583,486 570,865 568,493 575,604 579,140 560,154 499,860 477,751 467,063 473,773
Class I, Locomotive 18,505 18,812 19,269 19,684 20,261 20,256 20,028 19,745 20,506 20,774 22,015
Nonclass I freight cars 86,120 84,724 87,364 116,108 121,659 126,762 132,448 125,470 130,590 124,580 120,169
Car companies and shippers freight cars 515,362 550,717 582,344 585,818 618,404 662,934 688,194 688,806 691,329 687,337 693,978
Amtrak, Passenger train car 1,852 1,722 1,730 1,728 1,962 1,992 1,894 2,084 2,896 1,623 1,211
Amtrak, Locomotive 338 313 299 332 345 329 378 401 372 442 276
Water                      
Nonself-propelled vessels 30,730 31,360 32,811 33,011 33,509 33,387 33,152 33,042 32,381 31,335 31,296
Self-propelled vessels 8,334 8,281 8,293 8,408 8,523 8,379 8,202 8,546 8,621 8,648 8,994
Oceangoing steam and motor ships (1,000 gross tons and over) 544 512 509 495 473 470 461 454 443 416 412
Recreational boats 11,429,585 11,734,710 11,877,938 12,312,982 12,565,930 12,738,271 12,782,143 12,876,346 12,854,054 12,794,616 12,781,476

KEY: U = unavailable.

NOTES: Air carrier are those aircraft carrying passengers or cargo for hire under 14 CFR 121 and 14 CFR 135. The number of aircraft is the monthly average of the number of aircraft reported in use for the last three months of the year. General aviation data includes air taxi aircraft. Other transit includes aerial tramway, automated guideway transit, cablecar, ferry boat, inclined plane, monorail, and vanpool. Nonself-propelled vessels include dry-cargo barges, tank barges, and railroad-car floats.
Self-propelled vessels include dry-cargo and/or passenger, offshore supply vessels, railroad-car ferries, tankers, and towboats. Recreational boats include those that are required to be numbered in accordance with Chapter 123 of Title 46 U.S.C.

SOURCE: Various sources, as cited in U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics 2006, table 1-11, available at http://www.bts.gov/, as of December 2006.
Research and Innovative Technology Administration (RITA) • U.S. Department of Transportation (US DOT)
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