The USDOT's Bureau of Transportation Statistics recently released the 2015 edition of Freight Facts and Figures, which contains national statistics and maps highlighting the extent, use, and consequences of freight transportation in the United States. Previous editions (2004-2013) can be found on the Federal Highway Administration website. 

Friday, January 16, 2016 - The Bureau of Transportation Statistics (BTS) today released Freight Facts and Figures 2015. This 11th edition is an in-depth report on the volume and value of freight flows in the United States; the extent, condition, and performance of the physical network over which freight moves; the economic conditions that generate freight movements, the industry that carries freight, and the safety, energy, and environmental implications of freight transportation. Freight Facts and Figures 2015 consists of 62 data tables and 31 figures, including 20 maps, in 107 pages. This report is intended to help decision makers, planners, and the public understand the magnitude and importance of freight transportation to the economy.