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 13,480 10,962 23.0 23,659 21,948 7.8 S 1,322 S 214 166 28.5
Single modes 10,786 8,435 27.9 18,971 19,886 −4.6 382 468 −18.5 69 110 −37.4
Truck 7,484 6,427 16.5 11,494 11,916 −3.5 127 152 −16.6 13 10 31.7
Rail
Water S 349 S 547 S S 108 S S 480 239 100.9
Air (including truck and air) 362 354 2.1 13 41 −69.5 12 40 −69.5 1,094 2,240 −51.2
Pipeline3 1,437 1,305 10.1 6,919 7,162 −3.4 S S S S S S
Multiple modes 2,124 1,838 15.6 4,259 1,506 182.8 S 771 S 1,277 632 102.1
Parcel, USPS or courier 853 568 50.3 25 12 100.5 13 5 138.6 1,694 746 127.0
Truck and rail
Other Multiple modes 1,271 1,270 0.1 4,235 1,494 183.4 S 765 S 585 265 120.6
Other and unknown modes 569 689 −17.4 429 556 −22.9 18 84 −78 S 57 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.