Table 9. Shipment Characteristics by Mode of Transportation for State of Origin: 2002 and 1997

Table 9. Shipment Characteristics by Mode of Transportation for State of Origin: 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 transportation1 Value Tons Ton-miles2 Average miles per shipment
2002
(million $)
1997
(million $)
Percent Change 1997-2002 2002
(thousands)
1997
(thousands)
Percent Change 1997-2002 2002
(millions)
1997
(millions)
Percent Change 1997-2002 2002 (average miles) 1997 (average miles) Percent change 1997-2002
All modes 20,348 16,949 20.1 30,988 24,149 28.3 3,623 3,654 −0.8 568 238 138.5
Single modes 16,647 14,599 14.0 30,318 23,872 27.0 3,283 3,476 −5.6 162 134 21.1
Truck 14,481 12,416 16.6 21,383 15,603 37.0 2,506 2,825 −11.3 105 112 −6.5
Rail S 481 S 895 1,012 −11.6 614 645 −4.9 716 653 9.6
Water 59 S S S S S 43 S S 239 4 S
Air (including truck and air) 228 182 25.5 2 2 22.1 S S S 1,647 1,328 24.0
Pipeline3 1,666 S S 7,772 S S S S S S S S
Multiple modes 3,352 1,716 95.3 321 141 128.5 237 153 54.7 743 600 23.8
Parcel, USPS or courier 1,990 702 183.3 91 14 569.4 24 8 208.6 740 588 25.8
Truck and rail S S S S S S S S S 1,499 1,029 45.6
Other Multiple modes S S S S S S S S
Other and unknown modes 350 634 −44.9 S 136 S S S S S S S

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 Estimates represent activity for a given mode across single and multiple mode shipments. For example, "Truck" ton-miles includes total ton-miles for shipments moving only by truck plus ton-miles for truck segments of multiple mode shipments.
2 Ton-miles estimates are based on estimated distances traveled along a modeled transportation network. See "Mileage Calculations" section for additional information.
3 Estimates exclude shipments of crude petroleum (SCTG 16).

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 confidentiality 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 State Data, December 2004.