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 18,921 15,179 24.7 88,302 87,817 0.6 20,709 27,993 −26 320 247 29.5
Single modes 15,855 13,628 16.3 54,082 52,674 2.7 19,753 27,117 −27.2 131 154 −14.9
Truck 13,126 9,895 32.6 37,627 25,198 49.3 5,398 4,906 10.0 115 104 10.9
Rail 2,627 3,284 −20 16,412 25,446 −35.5 14,353 21,797 −34.1 958 853 12.4
Water S S S S S S 14
Air (including truck and air) 74 70 5.7 S 1 S S 2 S 1,629 1,945 −16.3
Pipeline3 S S S S S S S S S S S S
Multiple modes 1,466 911 60.9 S 105 S S 116 S 648 633 2.4
Parcel, USPS or courier 1,433 851 68.3 59 29 101.8 33 17 92.9 647 632 2.3
Truck and rail S 60 S S 75 S S 98 S 1,619 1,305 24.0
Other Multiple modes S S S S S S 4,216
Other and unknown modes 1,600 640 150.1 33,973 35,038 −3 523 761 −31.2 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.