Map showing annual freight tonnage by transportation mode

This map indicates the amount of freight moved across portions of the United States via different modes of transportation in 2007.

Data sources for the map are as follows: Highways: U.S. Department of Transportation, Federal Highway Administration, Freight Analysis Framework, Version 3.4, 2012. Rail: Based on Surface Transportation Board, Annual Carload Waybill Sample and rail freight flow assignments done by Oak Ridge National Laboratory. Inland Waterways: U.S. Army Corps of Engineers (USAGE), Annual Vessel Operating Activity and Lock Performance Monitoring System data, as processed for USAGE by the Tennessee Valley Authority; and USAGE, Institute for Water Resources, Waterborne Foreign Trade Data, Water flow assignments done by Oak Ridge National Laboratory.
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Last modified
25 June 2015 - 11:11am