Table 1c. Export Shipment Characteristics by Export Mode of Transportation: Percent of Total for 2007 and 2002

Table 1c. Export Shipment Characteristics by Export 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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Export mode of transportation Value (percent) Tons (percent) Value Standard Error of % Tons Standard Error of %
2007 2002 2007 2002 2007 2002 2007 2002
All modes 100 100 100 100 - - - -
Single modes 89.1 85.4 96.1 92.9 0.5 1.3 0.5 1
Truck 1 17.8 24.9 12 11.3 0.6 1.9 0.7 1.6
Rail 4 2.9 10.6 10.2 0.4 0.3 1.1 1.9
Water 35.1 27.2 72.6 70.7 0.8 1 1.6 3.2
Air (including truck and air) 32.1 30.3 0.8 0.7 0.7 1.3 0.1 0.2
Pipeline 2 S S S S S S S S
Multiple modes 6.6 12.0 0.1 5.0 0.4 1.5 - 0.9
Parcel, U.S.P.S. or courier 6.6 4.1 0.1 0.1 0.4 0.5 - -
Other and unknown modes 4.4 2.6 3.8 2.1 0.3 0.3 0.5 0.4

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 "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.
2 Estimates for pipeline exclude shipments of crude petroleum.

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.