TABLE 1-9b  Domestic Freight Ton-Miles by Mode: 1992–2002,,,,,,,,,,,,,
"Billions
",,,,,,,,,,,,,
Year,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,,
Air,11.0,11.5,12.0,12.7,13.8,13.9,14.1,14.5,15.8,13.3,13.6,,
Truck,896.4,935.6,995.7,"1,041.7","1,071.0","1,119.2","1,148.7","1,186.0","1,203.1","1,223.6","1,255.4",,
Railroad,"1,098.4","1,135.0","1,221.1","1,317.0","1,377.1","1,391.1","1,448.4","1,503.7","1,546.3","1,599.3","1,605.5",,
Water,856.7,789.7,814.9,807.7,764.7,707.4,672.8,655.9,645.8,621.7,612.1,,
Oil and natural gas pipeline ,844.0,855.7,860.4,882.0,905.0,904.4,902.4,899.4,874.2,858.8,879.2,,
Total,"3,706.4","3,727.5","3,904.2","4,061.1","4,131.5","4,136.0","4,186.4","4,259.3","4,285.2","4,316.7","4,365.8",,
NOTE:  Data may not add to total because of independent rounding.,,,,,,,,,,,,,
"
SOURCES:  U.S. Department of Transportation (USDOT), Research and Innovative Technology Administration, Bureau of Transportation Statistics (BTS), calculations using data from various sources as follows:  Air—USDOT, BTS, Air Carrier Traffic Statistics Monthly (Washington, DC:1990–2002 issues), p. 2, line 3, Freight, Express, and Mail Revenue Ton-Miles; and USDOT, Federal Aviation Administration supplementary statistics.  Truck—USDOT, BTS, Transportation Statistics Annual Report 2000 (Washington, DC:  2001), p. 124, table 2; U.S. Army Corps of Engineers, Waterborne Commerce Statistics Center, U.S. Waterborne Container Traffic by Port; USDOT, BTS, Border Crossing/Entry Data, U.S.-Canada, tables 1a, b, and c; U.S.-Mexico, table 1; USDOT, Federal Highway Administration, Highway Statistics 2002 (Washington, DC:  2003), table VM-1.  ",,,,,,,,,,,,,
"Rail—Surface Transportation Board, Carload Waybill Sample, 1990–2002; Transport Canada, Transportation in Canada, Addendum (Ottawa, Ontario:  1990–2002 issues), table A6-10; Association of American Railroads, Railroad Facts (Washington, DC:  1991–2002 issues), p. 36.  Water—U.S. Army Corps of Engineers, Waterborne Commerce of the United States (Washington, DC:  2002), part V, section 1, table 1-4, Total Waterborne Commerce.  Oil pipeline—Association of Oil Pipelines, Shifts in Petroleum Transportation (Washington, DC:  2002), table 1.  Natural gas pipeline—U.S. Department of Energy (DOE), Energy Information Administration (EIA), Annual Energy Review 2002 (Washington, DC:  2003), table 6.5; and DOE, EIA, International Energy Annual 2001 (Washington, DC:  2003), table C-1.   ",,,,,,,,,,,,,
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