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 318,775 279,436 14.1 249,551 275,598 −9.5 55,284 40,025 38.1 403 405 −0.5
Single modes 243,570 211,120 15.4 239,889 267,283 −10.2 49,673 36,319 36.8 188 153 23.0
Truck 231,714 201,200 15.2 225,444 252,560 −10.7 36,866 31,250 18.0 149 130 15.0
Rail 3,484 3,367 3.5 7,320 10,434 −29.8 4,458 4,680 −4.7 769 811 −5.2
Water 163 463 −64.9 S S S 34 S S 396 S S
Air (including truck and air) 7,051 6,074 16.1 S 119 S S 161 S 1,661 1,394 19.1
Pipeline3 1,159 S S 6,141 S S S S S S S S
Multiple modes 63,898 55,083 16.0 2,639 1,694 55.8 S 1,745 S 761 731 4.1
Parcel, USPS or courier 57,826 53,829 7.4 1,023 1,165 −12.2 773 774 −0.1 752 731 3.0
Truck and rail 734 1,213 −39.5 247 510 −51.5 445 945 −52.9 2,031 1,704 19.2
Other Multiple modes S 41 S S S S S 26 S 2,720 1,299 109.4
Other and unknown modes 11,307 13,233 −14.6 7,022 6,620 6.1 806 1,962 −58.9 162 86 87.3

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.