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 185,392 147,352 25.8 254,827 187,891 35.6 72,910 49,352 47.7 517 555 −6.7
Single modes 157,782 121,603 29.8 247,143 181,860 35.9 67,095 46,806 43.3 233 222 4.9
Truck 134,904 99,343 35.8 189,434 147,656 28.3 36,478 23,104 57.9 187 153 22.6
Rail 19,652 18,338 7.2 31,118 14,308 117.5 18,270 10,285 77.6 674 860 −21.6
Water 1,043 1,135 −8.1 S 19,786 S 12,255 13,357 −8.3 S 697 S
Air (including truck and air) 2,170 2,771 −21.7 65 52 24.7 92 60 51.7 1,347 1,320 2.1
Pipeline3 S 16 S S 58 S S S S S S S
Multiple modes 23,421 21,000 11.5 5,143 2,111 143.6 4,717 1,975 138.8 833 825 0.9
Parcel, USPS or courier 21,588 18,779 15.0 1,042 694 50.2 822 490 67.9 832 824 0.9
Truck and rail 1,225 2,202 −44.4 1,132 1,408 −19.6 1,597 1,419 12.5 1,668 1,188 40.4
Other Multiple modes 608 S S S 10 S S S S S 1,783 S
Other and unknown modes 4,190 4,749 −11.8 2,541 3,920 −35.2 1,099 571 92.4 246 71 246.5

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.