Table 1b. Shipment Characteristics by Mode of Transportation for State of Origin: Percent of Total for 2002 and 1997

Table 1b. Shipment Characteristics by Mode of Transportation for State of Origin: Percent of Total for 2002 and 1997

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

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Mode of transportation Value Tons Ton-miles1
2002
(percent)
1997
(percent)
2002
(percent)
1997
(percent)
2002
(percent)
1997
(percent)
All modes 100.0 100.0 100.0 100.0 100.0 100.0
Single modes 85.1 82.5 97.0 96.8 92.0 94.8
Truck2 72.8 67.4 74.3 78.6 50.0 46.8
For-hire Truck 42.0 42.7 38.5 37.0 37.1 36.6
Private Truck 30.6 24.6 34.0 40.5 12.5 10.0
Rail 10.6 12.4 12.2 7.6 25.1 20.8
Water 0.6 0.8 S 10.5 16.8 27.1
Shallow draft 0.6 0.8 S 10.5 16.8 27.1
Great Lakes
Deep draft
Air (including truck and air) 1.2 1.9 0.1 0.1
Pipeline3 S S S S
Multiple modes 12.6 14.3 2.0 1.1 6.5 4.0
Parcel, USPS or courier 11.6 12.7 0.4 0.4 1.1 1.0
Truck and rail 0.7 1.5 0.4 0.7 2.2 2.9
Truck and water S S S S S S
Rail and water 0.2 S S
Other multiple modes S S S S S S
Other and unknown modes 2.3 3.2 1.0 2.1 1.5 1.2

KEY:
– Represents data cell 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 Calculations" section for additional information.
2 "Truck" as a single mode includes shipments that were made by only private truck, only for-hire truck, or a combination of private truck 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: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Individual States Data, December 2004.