4-4,,,,,
U.S. Domestic Freight Ton-Miles by Mode: 1990–2005,,,,,
(Billions),,,,,
Mode,1990,2000,2004,2005,"Percent change, 1990-2005"
Total,"3,622","4,329","R4,542","4,538",25.3
Air,10.4,15.8,16.5,15.7,51.0
Truck,848.8,"1,192.8","R1,281.6","1,293.3",52.4
Railroad,"1,064.4","1,546.3","1,684.5","1,733.8",62.9
Water,833.5,645.8,621.2,591.3,-29.1
Pipeline,864.8,927.9,938,903.8,4.5
Key: R = revised,,,,,
"Source: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics, Table 1-46b, available at http://www.bts.gov/publications/national_transportation_statistics/, as of October 2007.",,,,,
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