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 61,515 42,362 45.2 109,672 96,426 13.7 38,046 37,834 0.6 823 520 58.4
Single modes 51,301 35,775 43.4 99,372 85,926 15.6 36,517 27,043 35.0 329 193 70.7
Truck 45,233 29,672 52.4 72,361 62,281 16.2 17,857 8,139 119.4 192 118 61.8
Rail 3,366 3,313 1.6 21,829 20,431 6.8 17,995 18,720 −3.9 995 654 52.1
Water
Air (including truck and air) 1,659 1,810 −8.4 S 35 S S 68 S 2,027 1,601 26.6
Pipeline3 1,044 980 6.5 5,020 3,179 57.9 S S S S S S
Multiple modes 8,458 5,475 54.5 980 S S 944 S S 1,241 1,098 13.0
Parcel, USPS or courier 8,239 5,229 57.6 211 151 39.1 224 115 95.4 1,242 1,098 13.1
Truck and rail 187 S S S S S S S S 765 1,175 −34.9
Other Multiple modes 32 S S 11 S S 30 S S 1,299 3,150 −58.8
Other and unknown modes 1,756 1,112 57.8 9,320 1,758 430.2 585 S S 164 81 101.1

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.