Table 11,
Value Per Ton of U.S. Freight Shipments by Transportation Mode: 2002,
Transportation mode,Value per ton (dollars)
,
All Modes (1), 667 
Multiple modes," 4,892 "
Single modes, 611 
Air (incl. truck and air)," 88,618 "
"Parcel, U.S.P.S, or courier"," 37,538 "
Truck and rail," 1,480 "
Truck (2), 775 
Water, 401 
Pipeline (3), 241 
Rail, 198 
Other multiple modes (4), 148 
Unknown modes, 908 
"
(1) These composite estimates include the Commodity Flow Survey and non-CFS sectors such as imports, logging, construction, retail, services, publishing, municipal solid waste, and household and business moves. They also include estimates of in-scope shipments for sectors that are covered in CFS but may have been underestimated due to small sample size, such as exports, intermodal, and petroleum products. 
(2) ""Truck"" as a single mode includes shipment that were made by only private truck, only for-hire truck, or a combination of private and for-hire truck.
(3) Estimates for pipeline include shipments of crude petroleum.
(4) Other multiple modes include combination of truck and water, rail and water, and other combinations.",,,,,
"SOURCE:  U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 2002 Commodity Flow Survey, United States Data, December 2004 plus additional composite estimates.  The estimates were developed through a cooperative effort by the Bureau of Transportation Statistics and the Federal Highway Administration.",,,,,