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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Table 2a. Export Shipment Characteristics by Domestic Mode of Transportation: 2002

Monday, July 2, 2012

Table 2a. Export Shipment Characteristics by Domestic Mode of Transportation: 2002

[Estimates are based on data from the 2002 Commodity Flow Survey. Because of rounding, estimates may not be additive]

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Domestic mode of transportation Value Tons Ton-miles 1
(million $)
Percent 2002
Percent 2002 (millions) Percent
All modes 595,518 100.0 487,473 100.0 207,534 100.0
Single modes 512,647 86.1 464,146 95.2 185,010 89.1
Truck2 386,968 65.0 184,093 37.8 84,122 40.5
Rail 28,638 4.8 114,042 23.4 78,035 37.6
Water 21,099 3.5 156,664 32.1 21,085 10.2
Air (including truck and air) 75,042 12.6 1,404 0.3 1,719 0.8
Pipeline3 S S S S S S
Multiple modes 69,915 11.7 15,468 3.2 20,212 9.7
Parcel, U.S.P.S. or courier 53,997 9.1 484 0.1 353 0.2
Truck and rail 13,388 2.2 9,366 1.9 9,760 4.7
All other multiple modes 2,531 0.4 5,617 1.2 10,098 4.9
Other and unknown modes 12,955 2.2 7,859 1.6 2,312 1.1

– Represents an estimate equal to zero or less than 1 unit of measure.
S Estimate does not meet publication standards because of high sampling variability or poor response quality.

1 Ton-miles estimates are based on estimated distances traveled along a modeled transportation network. See "Mileage Calculation" section for additional information.
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 exclude shipments of crude petroleum.

NOTES: Value-of-shipments estimates have not been adjusted for price changes. Appendix B tables provide estimated measures of sampling variability. The Introduction and appendixes give information on confidentially protection, sampling error, nonsampling error, sample design, and definitions. Links to this information on the Internet may be found at
Coverage for the 2002 Commodity Flow Survey (CFS) differs from the previous surveys due to a change from the 1987 Standard Industrial Classification System to the 1997 North American Industry Classification System and other survey improvements. Therefore, data users are urged to use caution when comparing 2002 CFS estimates with estimates from prior years.

SOURCE: Research and Innovative Technologies Administration, Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Export Data, March 2005.