Table 21,,,,,,
U.S. Freight Shipments by Mode: Preliminary 2002,,,,,,
"(Commodity Flow Survey Data Only)
",,,,,,
Mode,Value,Tons,Ton-miles,,,
Total," 8,483 "," 11,573 "," 3,204 ",,,
Truck (for-hire and private)," 6,200 "," 7,622 "," 1,311 ",,,
Rail, 320 ," 1,817 "," 1,199 ",,,
Water, 91 , 714 , 323 ,,,
Air (includes truck and air), 279 , 4 , 6 ,,,
Pipelinea, 162 , 722 , S ,,,
Intermodal totalb," 1,111 ", 198 , 215 ,,,
"Parcel, postal, and courier services"," 1,022 ", 26 , 21 ,,,
Truck and rail, 63 , 41 , 47 ,,,
Other intermodal combinations, 26 , 131 , 147 ,,,
Unknown, 319 , 496 , 77 ,,,
a Estimates of pipeline exclude shipments of crude petroleum.,,,,,,
"b Includes a combination of parcel, postal, and courier services; truck and rail; and other intermodal combinations, including truck and water and rail and water.  Excludes truck and air combination, which is added to air transportation.",,,
KEY: S=Estimate does not meet publication standards due to high sampling variability or poor response quality. ,,,
"NOTE: The data presented in this table exclude shipments from the following establishments classified in the North American Industry Classification System (NAICS) as: farms, forestry, logging, fisheries, construction, publishing, and crude petroleum production; households; governments; and most retail and service businesses.  It also excludes most imports and commodities shipped from a foreign location to another foreign destination, passing through the United States.",,,
"SOURCE:  U.S. Department of Transportation, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 2002 Economic Census:Transportation Commodity Flow Survey, Preliminary report, December 2003.",,,
,,,