TABLE 7b  Domestic Freight Ton-Miles by Mode: 1990–2000,,,,,,,,,,,
(Billions),,,,,,,,,,,

,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000
Air,9,9,10,11,12,13,13,14,14,14,15
Truck,848,867,889,927,987,"1,033","1,060","1,109","1,138","1,175","1,193"
Railroad,"1,064","1,042","1,098","1,135","1,221","1,317","1,377","1,391","1,448","1,504","1,546"
Water,834,848,857,790,815,808,765,707,673,656,646
Oil pipeline ,584,579,589,593,591,601,619,617,620,618,617
TOTAL,"3,339","3,345","3,443","3,456","3,626","3,772","3,834","3,838","3,893","3,967","4,017"
"SOURCES: Air, pipeline, and water—U.S. Department of Transportation (USDOT), Bureau of Transportation Statistics (BTS), National Transportation Statistics 2002 (Washington, DC: 2002), table 1-44. Truck—BTS calculation based on USDOT, BTS, Transportation Statistics Annual Report 2000 (Washington, DC: 2001), p. 124; and USDOT, Federal Highway Administration, Highway Statistics 2001 (Washington, DC: 2002), table VM-1. Rail—BTS calculation based on Surface Transportation Board, Carload Waybill Sample; Transport Canada, Transportation in Canada (Ottawa, Ontario: Annual issues), table 12-1; Association of American Railroads, Railroad Facts (Washington, DC: 1991-2001 issues), page 36.",,,,,,,,,,,