Table 7 Number of Aircraft, Vehicles, and Vessels

Table 7 Number of Aircraft, Vehicles, and Vessels

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Mode 1970 1980 1990 1995 1998
Air carriersR 2,679 3,808 6,083 7,411 8,111
General aviation R131,743 R211,045 196,800 182,605 204,710
Passenger carsa 89,243,557 121,600,843 133,700,496 128,386,775 131,838,538
Motorcycles 2,824,098 5,693,940 4,259,462 3,897,191 3,879,450
Other 2-axle, 4-tire vehicles 14,210,591 27,875,934 48,274,555 65,738,322 71,330,205
Trucks: Single-unit 3,681,405 4,373,784 4,486,981 5,023,670 5,734,925
Trucks: Combination 905,082 1,416,869 1,708,895 1,695,751 1,997,305
Busesb 377,562 528,789 626,987 685,503 715,540
Passenger rail:          
Amtrak-Cars N 2,128 1,863 1,722 1,962
Locomotives N 419 318 313 345
Commuter railcars and locomotives N 4,500 4,415 4,565 P 4,907
Transitc 10,548 10,654 11,332 11,156 11,506
Class I rail:          
Freight cars 1,423,921 1,168,114 658,902 583,486 575,604
Locomotives 27,077 28,094 18,835 18,812 20,261
Other freight cars 360,260 542,713 553,359 635,441 740,063
Nonself-propelled vesselsd,e 19,377 31,662 31,209 31,360 33,509
Self-propelled vesselsd,e 6,455 7,126 8,236 8,281 8,523
Oceangoing shipse
(1,000 gross tons and over)
1,579 864 636 509 470
Recreational boats 7,400,000 8,577,857 10,996,253 11,734,710 12,565,930

a In July 1997, the U.S. Department of Transportation, Federal Highway Administration, reassigned some vehicles from "passenger car" to "other 2-axle, 4-tire."
b Includes municipally owned transit, commercial, federal, and school buses.
c Includes light and heavy rail only.
d Includes dry cargo vessels, tankers, and offshore supply vessels, tugboats, pushboats, and passenger vessels, such as excursion/sightseeing boats, combination passenger and dry cargo vessels, and ferries.
e U.S. flag vessels.

Key: N = data do not exist; P = preliminary; R = revised.

Source: U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics 2000 (Washington, DC: In press), table 1-9.