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 91,967 69,075 33.1 120,127 138,664 −13.4 37,916 31,223 21.4 393 254 54.7
Single modes 83,462 64,490 29.4 114,466 135,067 −15.3 34,394 30,163 14.0 305 165 84.6
Truck 78,165 57,589 35.7 93,587 114,547 −18.3 24,384 19,285 26.4 286 154 86.1
Rail 3,044 5,334 −42.9 15,801 17,110 −7.7 7,386 8,858 −16.6 817 728 12.2
Water S 795 S 4,993 3,356 48.8 2,587 1,996 29.6 580 293 98.0
Air (including truck and air) S 754 S 34 17 103.5 36 24 48.5 1,597 1,204 32.6
Pipeline3 S S S S S S S S S S S S
Multiple modes 5,433 2,755 97.2 2,095 906 131.3 2,326 592 293.0 521 604 −13.7
Parcel, USPS or courier 3,798 2,233 70.1 260 102 154.6 151 63 138.1 521 604 −13.7
Truck and rail 1,418 415 241.6 1,098 200 449.4 1,187 315 276.8 1,323 1,481 −10.7
Other Multiple modes S S S S S S S S S S S S
Other and unknown modes 3,072 1,831 67.8 S 2,691 S S 468 S 98 48 106.3

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.