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 61,797 58,074 6.4 101,684 120,087 −15.3 33,226 47,565 −30.1 371 641 −42.1
Single modes 52,888 50,437 4.9 100,231 116,626 −14.1 32,938 46,289 −28.8 212 161 31.2
Truck 49,569 46,329 7.0 79,225 93,547 −15.3 14,059 17,427 −19.3 171 130 31.1
Rail 3,015 3,521 −14.4 20,778 22,749 −8.7 18,869 28,324 −33.4 1,015 1,066 −4.8
Water S S S S S S 1,601
Air (including truck and air) 293 543 −46.1 6 S S 8 S S 1,346 1,481 −9.1
Pipeline3 S S S S S S S S S S
Multiple modes 7,259 6,103 18.9 179 S S 137 S S 687 933 −26.3
Parcel, USPS or courier 7,119 5,802 22.7 162 192 −15.6 108 147 −26.7 687 932 −26.4
Truck and rail S S S S S S S S S 1,631 1,211 34.7
Other Multiple modes S S S S S S S S S 4,100 S S
Other and unknown modes 1,649 1,534 7.5 S 2,538 S 151 298 −49.2 49 S S

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.