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 293,604 264,761 10.9 276,004 255,488 8.0 47,088 45,168 4.2 487 386 26.2
Single modes 270,923 240,369 12.7 266,387 251,909 5.7 45,933 43,388 5.9 259 214 21.3
Truck 264,443 231,020 14.5 241,308 237,300 1.7 39,049 37,662 3.7 250 181 38.2
Rail 2,772 2,512 10.3 S 11,571 S 6,640 5,396 23.0 462 713 −35.2
Water S S S S S S S S S 59 110 −46.3
Air (including truck and air) 2,825 6,257 −54.8 77 97 −20.4 94 93 1.2 1,222 1,015 20.4
Pipeline3 S 299 S S 1,312 S S S S S S S
Multiple modes 16,265 18,084 −10.1 801 674 18.9 695 649 7.2 783 675 16.0
Parcel, USPS or courier 15,846 17,677 −10.4 662 538 23.1 460 336 36.7 782 674 16.0
Truck and rail 332 342 −2.7 107 133 −19.2 163 292 −44.1 1,733 1,504 15.2
Other Multiple modes 87 S S 31 S S S S S 4,969 5,451 −8.8
Other and unknown modes 6,416 6,308 1.7 8,816 2,905 203.5 460 1,131 −59.4 76 91 −15.8

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.