TABLE 2-7a Change in Domestic Freight Ton-Miles by Mode: 1991-2001

TABLE 2-7a Change in Domestic Freight Ton-Miles by Mode: 1991-2001

Index: 1991 = 1.00

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Year 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
Air 1.00 1.11 1.20 1.33 1.41 1.45 1.54 1.56 1.60 1.69 1.48
Truck 1.00 1.03 1.07 1.14 1.20 1.23 1.29 1.33 1.37 1.39 1.40
Railroad 1.00 1.05 1.09 1.17 1.26 1.32 1.34 1.39 1.44 1.48 1.53
Water 1.00 1.01 0.93 0.96 0.95 0.90 0.83 0.79 0.77 0.76 0.73
Oil and natural gas pipeline 1.00 1.02 1.04 1.04 1.07 1.10 1.10 1.10 1.09 1.04 1.02
Total 1.00 1.03 1.04 1.09 1.13 1.15 1.15 1.17 1.19 1.19 1.20

SOURCES: Air, oil pipeline, and water-U.S. Department of Transportation (USDOT), Bureau of Transportation Statistics (BTS), National Transportation Statistics 2002, table 1-44 revised, available at http://www.bts.gov/, as of October 2003. Truck, rail, natural gas pipeline-USDOT, BTS, calculations based on data from various sources as follows: Truck-USDOT, BTS, Transportation Statistics Annual Report 2000 (Washington, DC: 2001), p. 124, table 2; US International Trade and Freight Transportation Trends (Washington, DC: 2003), figure 14; USDOT, BTS, Martime Trade and Transportation 2002 (Washington, DC: 2002), table 1-20; and USDOT, Federal Highway Administration, Highway Statistics 2001 (Washington DC: 2002), table VM-1.

Rail-Surface Transportation Board, Carload Waybill Sample; Transport Canada, Transportation in Canada, Addendum (Ottawa, Ontario: Annual issues), table A6-10; and Association of American Railroads, Railroad Facts (Washington, DC: 1991-2001 issues), p. 36. Natural gas pipeline-U.S. Department of Energy (DOE), Energy Information Administration (EIA), Annual Energy Review 2001 (Washington, DC: 2002), table 6.5, and DOE, EIA, International Energy Annual 2001 (Washington, DC: 2003), table C-1.