Table 2. Shipment Characteristics by Total Modal Activity for State of Origin: 2002

Table 2. Shipment Characteristics by Total Modal Activity for State of Origin: 2002

[Estimates are based on the Commodity Flow Survey. Because of rounding, estimates may not be additive]

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Mode of transportation1 Ton-miles2
2002 (millions)
Ton-miles
2002 (percent)
Average miles per shipment 2002
Total 48,620 100.0 1,015
Truck 18,403 37.9 197
Rail 25,202 51.8 1,572
Shallow draft 148 0.3 69
Great Lakes
Deep draft S S 2,411
Air S S 2,233
Parcel, USPS or courier 1 284
Pipeline3 S S S
Other and unknown modes 594 1.2 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: 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.