Table 2. Shipment Characteristics by Total Modal Activity for State of Origin: 2007

Table 2. Shipment Characteristics by Total Modal Activity for State of Origin: 2007

Estimates are based on the 2007 Commodity Flow Survey. Because of rounding, estimates may not be additive.

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Mode of transportation1 Ton-miles 2 2007 (millions) Ton-miles
2007 (percent)
Average miles per shipment 2007 Ton-miles CV3 Ton-miles Standard Error of % Average miles per shipment CV
All modes 12,633 100 172 15.9 - 23.1
Truck 679 5.4 64 12.8 1.3 13.4
Rail S S 310 S S 30.1
Shallow draft 3 - 38 49.4 - 27.8
Deep draft 9,587 75.9 952 19.4 5.8 15.5
Air (incl truck and air) S S 1,286 S S 19.8
Pipeline4 S S S S S S
Parcel, U.S.P.S. or courier 6 - 553 26.9 - 19.3
Other and unknown modes 313 2.5 210 47 1.7 22.6

KEY: S = Estimate does not meet publication standards because of high sampling variability or poor response quality. - = Zero or Less than half the unit shown; thus, it has been rounded to zero.

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.
3 Coefficient of Variation.
4 Estimates exclude shipments of crude petroleum (SCTG 16).

NOTES: Rows are not shown if all cells for that particular row have no values. For example, specific state by mode rows are not shown in this table because there are no data for those rows. Value-of-shipment estimates are reported in current prices. Estimated measures of sampling variability for each estimate known as coefficients of variation (CV) are also provided in these tables. More information on sampling error, confidentiality protection, nonsampling error, sample design, and definitions may be found at http://www.bts.gov/publications/commodity_flow_survey/.

SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 2007 Economic Census: Transportation Commodity Flow Survey, December 2009.