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 388,571 319,548 21.6 331,190 368,500 −10.1 68,679 69,579 −1.3 408 407 0.3
Single modes 326,952 267,813 22.1 308,826 341,478 −9.6 56,131 57,907 −3.1 284 145 96.1
Truck 303,640 226,822 33.9 245,249 276,067 −11.2 37,503 33,743 11.1 165 132 24.8
Rail 16,881 36,743 −54.1 22,399 30,578 −26.7 10,362 13,765 −24.7 977 829 17.8
Water 503 433 16.3 27,980 29,979 −6.7 7,908 9,779 −19.1 182 307 −40.7
Air (including truck and air) 2,931 2,700 8.5 109 289 −62.2 106 204 −48.1 1,336 1,152 16.0
Pipeline3 2,997 1,115 168.7 S 4,565 S S S S S S S
Multiple modes 48,542 33,146 46.5 15,202 16,770 −9.4 11,788 10,050 17.3 592 670 −11.7
Parcel, USPS or courier 28,909 19,564 47.8 845 632 33.7 480 335 43.5 587 667 −12
Truck and rail 19,114 13,358 43.1 2,358 2,118 11.3 2,835 2,881 −1.6 1,228 1,468 −16.4
Other Multiple modes 519 223 132.9 12,000 14,020 −14.4 8,473 6,834 24.0 1,771 1,819 −2.6
Other and unknown modes 13,077 18,589 −29.7 7,162 10,252 −30.1 760 1,622 −53.1 78 55 42.7

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.