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 494,278 384,387 28.6 546,095 507,460 7.6 127,152 101,721 25.0 403 387 4.1
Single modes 421,855 322,789 30.7 517,685 474,428 9.1 115,000 92,534 24.3 198 176 12.2
Truck 377,110 295,097 27.8 387,982 395,426 −1.9 68,483 58,233 17.6 178 149 18.8
Rail 33,146 18,051 83.6 72,295 48,839 48.0 35,823 29,255 22.4 783 524 49.5
Water 1,082 1,240 −12.7 24,486 9,684 152.8 8,274 4,160 98.9 273 877 −68.9
Air (including truck and air) 3,453 4,032 −14.4 124 199 −37.5 173 173 −0.2 1,189 1,058 12.3
Pipeline3 7,065 4,369 61.7 32,798 20,280 61.7 S S S S S S
Multiple modes 50,796 45,825 10.8 7,203 9,858 −26.9 6,841 5,533 23.6 664 620 7.2
Parcel, USPS or courier 46,468 37,110 25.2 1,642 1,347 21.9 1,050 786 33.5 663 618 7.4
Truck and rail 4,195 8,038 −47.8 1,733 2,074 −16.4 3,404 3,102 9.7 1,698 1,392 22.1
Other Multiple modes 134 677 −80.2 S 6,436 S S 1,645 S S S S
Other and unknown modes 21,627 15,772 37.1 21,207 23,174 −8.5 5,312 3,654 45.4 139 74 88.3

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.