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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 2b. Export Shipment Characteristics by Domestic Mode of Transportation: 2002 and 1997

Monday, July 2, 2012

Table 2b. Export Shipment Characteristics by Domestic Mode of Transportation: 2002 and 1997

[Estimates are based on data from the 2002 and 1997 Commodity Flow Surveys. Because of rounding, estimates may not be additive]

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Domestic mode of transportation Value Tons Ton-miles 1
2002
(million $)		 1997
(million $)		 Percent change 2002
(thousands)		 1997
(thousands)		 Percent change 2002 (millions) 1997 (millions) Percent change
All modes 595,518 555,533 7.2 487,473 445,324 9.5 207,534 183,712 13.0
Single modes 512,647 436,040 17.6 464,146 321,627 44.3 185,010 148,133 24.9
Truck2 386,968 329,539 17.4 184,093 114,060 61.4 84,122 46,947 79.2
Rail 28,638 35,477 −19.3 114,042 125,004 −8.8 78,035 79,012 −1.2
Water 21,099 14,061 50.1 156,664 81,353 92.6 21,085 21,429 −1.6
Air (including truck and air) 75,042 56,866 32.0 1,404 951 47.6 1,719 746 130.5
Pipeline3 S S S S S S S S S
Multiple modes 69,915 56,772 23.2 15,468 14,491 6.7 20,212 16,899 19.6
Parcel, U.S.P.S. or courier 53,997 38,076 41.8 484 316 53.2 353 116 205.4
Truck and rail 13,388 17,916 −25.3 9,366 8,433 11.1 9,760 9,666 1.0
All other multiple modes 2,531 779 224.7 5,617 5,742 −2.2 10,098 7,117 41.9
Other and unknown modes 12,955 62,720 −79.3 7,859 109,205 −92.8 2,312 18,680 −87.6

KEY:
– 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 www.census.gov/cfs.
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.