FIGURE 4-2 Freight Flows by Highway, Railroad, and Waterway: 2010
Thursday, April 9, 2015
SOURCE: 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, Institute for Water Resources as of November 2013.