Figure 2-10
Commercial Freight Activity for All Modes by Ton-Miles: 1993, 1997, and 2002
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NOTES: 2002 Commodity Flow Survey and supplemental data are preliminary. For information on coverage of
supplemental estimates, see tables 2-9, 2-10, and 2-11 in appendix B.
Current dollar amounts were converted to chained 2000 dollars by BTS to eliminate the effects of inflation
over time.
SOURCES: Commodity Flow Survey data—U.S. Department of Transportation, Bureau of Transportation
Statistics (BTS) and U.S. Department of Commerce, U.S. Census Bureau, Commodity Flow Survey (Washington,
DC: 2003). Supplemental estimates—MacroSys Research and Technology calculations for BTS based
on data compiled from a variety of sources.
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