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U.S. Tonne-Kilometers of Freight (BTS Special Tabulation)

(Millions)

Dataset Excel: 
Notes: 

Data in this table are improved estimates based on the Freight Analysis Framework (FAF). Technical Summary of Updated Methodology is available at

Numbers may not add to totals due to rounding.

1.459972 tonne-kilometers = 1 ton mile.

Description: 

KEY: R = revised; U = data are unavailable.

Source: 

Total:   

1980-96:  Summation of individual modes.

1997-2011:  U.S. Department of Transportation, Federal Highway Administration, Freight Analysis Framework, Version 3, for 1997, 2002, 2007, 2008, and 2009, available at

Air:  

U.S. Department of Transportation, Bureau of Transportation Statistics, Office of Airline Information, Air Carrier Statistics - Green Book, (Washington, DC, December issues), p. 3, line 3.  

Rail:  

Estimates come from the Association of American Railroads using ton mile values from the Surface Transportation Board’s Waybill Sample.  The Waybill Sample represents all major U.S. railroads, including all Class I railroads and several short-line railroads.  

Truck:  

1980-96:  1997 Truck value, adjusted using U.S. Department of Transportation, Federal Highway Administration, Highway Statistics, (Washington, DC: Annual Issues), Table VM-1, Vehicle Miles Traveled, Total Rural and Urban, for Single-Unit 2 Axle 6-Tire or more and Combination Trucks.

1997-2011:  Difference between total of all modes, and sum of other modes.

Pipeline:  

1980-96: 1997 Pipeline value, adjusted using Association of Petroleum Pipelines, Shifts in Petroleum Transportation (Washington, DC: Annual Issues), table 1, available at as of Oct. 22, 2013.

1997-2011:  U.S. Department of Transportation, Federal Highway Administration, Freight Analysis Framework, Version 3, for 1997, 2002, 2007, 2008, and 2009, available at

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