Table 2c. Export Shipment Characteristics by Domestic Mode of Transportation: Percent of Total for 2007 and 2002

Table 2c. Export Shipment Characteristics by Domestic Mode of Transportation: Percent of Total for 2007 and 2002

Estimates are based on data from the 2007 and 2002 Commodity Flow Surveys. Because of rounding, estimates may not be additive.

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Domestic mode of transportation Value (percent) Tons (percent) Ton-miles 1 (percent) Value Standard Error of % Tons Standard Error of % Ton-miles Standard Error of %
2007 2002 2007 2002 2007 2002 2007 2002 2007 2002 2007 2002
All modes 100 100 100 100 100 100 - - - - - -
Single modes 76.3 86.1 84.4 95.2 71.6 89.1 0.8 1.1 2.5 0.8 3.5 1.3
Truck 2 55.2 65.0 44 37.8 34.2 40.5 0.9 1 3.5 3.6 2.6 3.6
For-hire truck 42 - 26.8 - 30.7 - 0.4 - 1.4 - 2.6 -
Private truck 13.2 - 17.2 - 3.5 - 1.1 - 2.8 - 0.2 -
Rail 7.2 4.8 27.6 23.4 32.4 37.6 0.6 0.3 2.7 1.8 2.7 3.8
Water 2.4 3.5 12.1 32.1 4.6 10.2 0.4 0.7 2 4.1 0.8 1.9
Shallow draft 1.7 - 8.3 - S - 0.4 - 2 - S -
Great Lakes S - 0.7 - 0.6 - S - 0.5 - 0.4 -
Deep draft 0.7 - 3.1 - 2.7 - 0.1 - 0.6 - 0.6 -
Air (including truck and air) 11.3 12.6 0.2 0.3 0.4 0.8 1.1 1 - - 0.1 0.3
Pipeline 3 S S S S S S S S S S S S
Multiple modes 20.5 11.7 11.3 3.2 27.1 9.7 0.7 1 2.1 0.8 3.5 1.4
Parcel, U.S.P.S. or courier 12 9.1 0.1 0.1 0.3 0.2 0.6 0.8 - - - -
Truck and rail. 5.6 2.2 5.5 1.9 15.1 4.7 0.5 0.3 0.8 0.6 1.7 0.7
Truck and water 2.1 - 2.8 - 8.5 - 0.2 - 1.1 - 2.7 -
Rail and water 0.2 - S - 1.4 - - - S - 0.4 -
Other multiple modes 4 0.6 0.4 2 1.2 1.8 4.9 0.1 - 0.6 0.3 0.4 1.3
Other and unknown modes 3.2 2.2 4.3 1.6 1.3 1.1 0.3 0.4 1.2 0.3 0.2 0.2

KEY: S = Estimate does not meet publication standards because of high sampling variability or poor response quality. - = Zero or Less than half the unit shown; thus, it has been rounded to zero.

1 Ton-miles estimates are based on estimated distances traveled along a modeled transportation network.
2 "Truck" as a single mode includes shipments 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.
4 In this table, the 2002 and 2007 "Other multiple modes" categories are not directly comparable due to a definition change. For 2002, "Other multiple modes" includes shipments using "Truck and water", "Rail and water", and other mode combinations not specifically listed. For 2007, "Truck and water" and "Rail and water" are not part of "Other multiple modes".

NOTES: Value-of-shipment estimates have not been adjusted for price changes. More information on sampling error, confidentiality protection, nonsampling error, sample design, and definitions may be found at http://www.bts.gov/cfs.

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, 2007 Economic Census: Transportation Commodity Flow Survey, December 2009.