|Mode of transportation||2007 value
|2007 average miles per shipment|
|Air (included truck and air)||209,611||3,525||4,014||1,299|
|Parcel, USPS or courier||1,597,931||36,029||29,535||914|
|Truck and rail||197,748||213,411||188,547||1,053|
|Truck and water||31,112||74,421||48,870||1,347|
|Rail and water||7,744||44,979||30,444||2,608|
|Other multiple modes||104,350||257,698||192,372||2,190|
|Other and unknown modes||337,739||302,315||47,964||149|
KEY: S = Estimate does not meet publication standards because of high sampling variability or poor response quality.
1 Tonmiles estimates are based on estimated distances traveled along a modeled transportation network.
2 "Truck" as a single mode includes any shipment that was made by private truck only, by for-hire truck only, or by a combination of private and for-hire truck.
3 Estimates for pipeline exclude shipments of crude petroleum.
NOTE: These data are preliminary and are subject to change; they will be superseded by data released in later reports. Value-of-shipment estimates have not been adjusted for price changes.
More information on sampling error, confidentiality protection, nonsampling error, sample design, and definitions may be found at http://www.census.gov/cfs.
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, Preliminary Release, December 2008.