(Commodity Flow Survey data)
|Mode of transportation1||Ton-miles3||Average miles per shipment|
|Parcel, U.S. Postal Service, or courier||20,536||0.6||910|
|Other and unknown modes||76,587||2.4||153|
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 Estimates for pipeline exclude shipments of crude petroleum.
3 Ton-miles estimates are based on estimated distance traveled along a modeled transportation network.
KEY: S = withheld due to high sampling variability or poor response quality.
NOTES: The data presented in these tables exclude shipments from the following establishments classified in the North American Industry Classification System (NAICS) as: farms, forestry, logging, fisheries, construction, publishing, and crude petroleum production; households; governments; and most retail and service businesses. Also excluded are most imports and commodities shipped from a foreign location to another foreign destination that pass through the United States. Estimates are preliminary and may be revised.
SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics and U.S. Department of Commerce, U.S. Census Bureau, 2002 Commodity Flow Survey: United States Preliminary Report, Washington, DC: December 2003.