Table 15,,,,,,,,,
U.S. Commercial Freight Shipments: 1997,,,,,,,,,

Mode,,Value,,,Tons,,,Ton-miles,
,,Billions of,,,,,,,
,,1997 $,Percent,,Millions,Percent,,Billions,Percent
"Truck (for-hire,
private, both)",,,,,,,,,
,,"5,336",62.3,,"8,836",59.7,,"1,109",28.8
"Parcel, postal,
courier services",,,,,,,,,
,,856,10,,34,0.2,,18,0.5
Water,,762,8.9,,"2,220",15,,726,18.9
"Air (includes 
truck and air)",,,,,,,,,
,,653,7.6,,10,0.1,,6,0.2
"Rail (includes
truck and air)",,,,,,,,,
,,436,5.1,,"1,676",11.3,,"1,132",29.4
Pipeline,,231,2.7,,"1,448",9.8,,656,17
"Other and
unknown modes",,,,,,,,,
,,293,3.4,,576,3.9,,204,5.3
Totala,,"$8,567 ",100,,"14,800",100,,"3,851",100
"a Data from the Commodity Flow Survey (CFS), plus Bureau of Transportation Statistics estimates to fill in CFS gaps. The estimates cover out-of-scope farm-based truck shipments, truck and rail imports from Canada and Mexico, and air cargo and water imports and exports.",,,,,,,,,
,,,,,,,,,
,,,,,,,,,
"Sources: U.S. Department of Transportation, Bureau of Transportation Statistics and U.S. Department of Commerce, Census Bureau, 1997 Commodity Flow Survey: United States (Washington, DC: December 1999); and Oak Ridge National Laboratory data.",,,,,,,,,
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