|Mode||Value (billion $)||Tons (millions)||Ton-miles (billions)|
|Air (includes truck and air)||563||6||13|
|Parcel, postal, or courier||1,022||27||21|
|Truck and rail||77||52||50|
|Other multiple modesd||22||150||103|
a These estimates include Commodity Flow Survey (CFS) data plus data on sectors that are not included in the CFS such as imports, logging, construction, retail, services, publishing, municipal solid waste, and household and business moves. They also include estimates of shipments for sectors that are covered in the CFS but may have been underestimated due to a small sample size, such as exports, intermodal, and petroleum products.
b "Truck" as a single mode includes shipments that were made only by private truck, for-hire truck, or a combination of private and for-hire truck.
c Estimates for pipeline include shipments of crude petroleum.
d Other multiple modes includes a combination of truck and water, rail and water, and other combinations.
Source: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Freight in America (Washington, DC: In press).