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 111,273 85,923 29.5 100,872 121,346 −16.9 16,122 17,271 −6.7 532 656 −18.8
Single modes 92,792 63,890 45.2 98,524 119,973 −17.9 15,679 16,199 −3.2 212 178 19.1
Truck 73,237 48,902 49.8 79,060 95,767 −17.4 11,189 10,638 5.2 126 111 12.7
Rail 2,208 3,580 −38.3 13,812 18,843 −26.7 2,748 4,039 −32 S 695 S
Water S S S S S S 1
Air (including truck and air) 17,221 11,299 52.4 140 64 118.4 S 96 S 1,821 1,549 17.5
Pipeline3 S 110 S S 5,298 S S S S S S S
Multiple modes 16,448 20,283 −18.9 436 555 −21.4 319 497 −35.7 1,128 1,266 −10.9
Parcel, USPS or courier 16,091 20,125 −20 225 222 1.4 192 266 −27.9 1,128 1,266 −10.9
Truck and rail S S S S S S 108 S S S 743 S
Other Multiple modes 28 7 305.5 6 13 −49.7 19 41 −53.8 1,982 1,494 32.6
Other and unknown modes 2,033 1,750 16.2 S 819 S 124 S S S 127 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.