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 296,989 209,428 41.8 455,084 366,398 24.2 61,074 54,877 11.3 484 515 −5.9
Single modes 245,096 163,437 50.0 444,398 358,915 23.8 58,629 50,062 17.1 154 141 8.7
Truck 226,639 150,107 51.0 361,197 276,953 30.4 40,866 28,049 45.7 125 123 1.9
Rail 6,701 5,678 18.0 S 77,311 S 17,082 19,822 −13.8 1,152 468 146.0
Water 320 1,001 −68 S S S S S S S S S
Air (including truck and air) 10,922 6,465 68.9 238 S S 337 S S 1,645 958 71.8
Pipeline3 513 S S S S S S S S S S S
Multiple modes 39,863 36,009 10.7 1,724 4,754 −63.7 1,252 3,958 −68.4 1,060 1,000 6.1
Parcel, USPS or courier 39,094 34,749 12.5 884 693 27.5 833 567 47.0 1,060 999 6.0
Truck and rail 191 415 −53.9 308 1,278 −75.9 316 754 −58.1 1,146 746 53.8
Other Multiple modes S 845 S S 2,783 S S 2,637 S 2,939 3,954 −25.7
Other and unknown modes 12,030 9,982 20.5 8,963 2,730 228.4 1,193 857 39.2 62 128 −51.5

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.