Table 1-41M: U.S. Tonne-Kilometers of Freight

Table 1-41M: U.S. Tonne-Kilometers of Freight

(Millions)

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  1960 1965 1970 1975 1980 1985 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
Air carrier, domestic, all servicesa 807 1,975 3,955 5,066 6,611 7,528 13,233 12,935 14,337 15,585 17,232 18,279 18,777 19,857 R20,206 20,735 21,875 19,400
Intercity truck 416,092 524,130 601,509 662,827 810,285 890,583 1,073,080 1,106,659 1,189,877 1,257,036 1,325,655 1,344,634 1,419,093 1,454,132 1,499,392 1,595,750 U U
Class I railb 835,555 1,018,883 1,116,600 1,101,187 1,341,653 1,280,372 1,509,566 1,516,729 1,557,471 1,619,560 1,752,990 1,906,268 1,979,686 1,969,395 2,010,093 2,092,813 2,140,261 U
Domestic water transportation                                    
Coastwise U 441,708 525,275 461,126 d921,460 892,009 699,522 733,100 733,360 654,658 668,084 642,891 595,794 510,761 459,693 427,378 414,445 U
Lakewise U 110,838 115,946 100,033 90,149 70,347 88,956 80,794 81,444 82,398 85,063 87,166 85,167 90,761 90,013 83,284 84,502 U
Internal U 160,161 227,487 263,378 331,914 339,747 426,886 423,332 434,544 414,477 434,725 447,232 433,307 429,265 430,540 444,889 441,727 U
Intraport U 2,392 1,721 1,785 2,331 1,609 1,587 1,413 1,387 1,346 1,887 1,971 2,153 2,012 2,016 1,988 2,176 U
Total domestic water transportationc U 715,099 870,428 826,321 R1,345,855 1,303,711 1,216,951 1,238,639 1,250,736 1,152,879 1,189,759 1,179,260 1,116,422 1,032,799 982,262 957,540 942,849 U
Oil pipeline 334,334 446,752 629,248 740,206 858,756 823,862 852,770 844,594 859,632 865,618 863,428 877,589 904,015 900,073 904,891 901,825 U U
TOTAL 2,280,477 2,706,789 3,222,159 3,336,037 4,363,857 4,305,458 4,666,071 4,720,090 4,871,927 4,911,347 5,149,322 5,325,979 5,438,397 5,375,618 5,416,497 5,568,334 U U

KEY: R = revised; U = data are not available.

a Includes freight, express, and mail revenue tonne-kilometers as reported on U.S. DOT Form 41.

b Revenue tonne-kilometers.

c Excludes intraterritorial traffic, for which tonne-kilometers were not compiled.

d Reflects startup between 1975 and 1980 of Alaska pipeline and consequent water transportation of crude petroleum from Alaskan ports to mainland United States for refining.

NOTES: Domestic water transportation numbers may not add to totals due to rounding.

Numbers may differ slightly from previous year's metric tables because a higher precision conversion factor was used.

SOURCES:

Air carrier, domestic, all services:

1960-65: Civil Aeronautics Board, Handbook of Airline Statistics, 1969 (Washington, DC: 1970).

1970-80: Ibid., Air Carrier Traffic Statistics (Washington, DC: Annual issues), p. 2, line 3.

1985-2001: U.S. Department of Transportation, Bureau of Transportation Statistics, Office of Airline Information, Air Carrier Traffic Statistics (Washington, DC: Annual issues), p. 2, line 3.

Intercity truck:

1960-98: Eno Transportation Foundation, Inc., Transportation in America, 2000 (Washington, DC: 2001), p. 12.

Class I rail:

1960-99: Association of American Railroads, Railroad Facts (Washington, DC: 2000), p. 27.

Domestic water transportation:

1965-99: U.S. Army Corps of Engineers, Waterborne Commerce of the U.S. (New Orleans, LA: Annual issues), part 5, section 1, table 1-4, and similar tables in earlier editions.

Oil pipeline:

1960-70: Eno Transportation Foundation, Inc., Transportation in America, 1998 (Washington, DC: 1998), p. 44.

1975: Association of Oil Pipe Lines, Shifts in Petroleum Transportation (Washington, DC: Annual issues), table 4.

1980-99: Ibid., Shifts in Petroleum Transportation (Washington, DC: Annual issues), table 1.