Trade using surface transportation between the United States and its North American Free Trade Agreement partners Canada and Mexico was 13.8 percent higher in September 2011 than in September 2010, totaling $77.7 billion, according to the Bureau of Transportation Statistics of the U.S. Department of Transportation. The value decreased 3.3 percent in September 2011 from August 2011; month-to-month changes can be affected by seasonal variations and other factors.
BTS, a part of the Research and Innovative Technology Administration, reported that the value in September 2011 rose 35.7 percent in two years from September 2009 and 8.3 percent in three years from September 2008. The value in September increased by 22.8 percent when compared to September 2006 and increased by 83.0 percent when compared to September 2001. Imports in September were up 71.3 percent since September 2001, while exports were up 99.0 percent.
U.S.-Canada and U.S.-Mexico surface transportation trade both increased compared to September 2010, with U.S.-Canada reaching $46.1 billion, a 14.7 percent increase, and U.S.-Mexico reaching $31.6 billion, a 12.5 percent increase. Michigan led all states in surface trade with Canada at $6.0 billion, a 9.6 percent increase from September 2010. Texas led all states in surface trade with Mexico at $11.1 billion, an 8.4 percent increase from September 2010.
The TransBorder Freight Data are a subset of official U.S. foreign trade statistics released by the U.S. Census Bureau. New data are tabulated monthly, and historical data are not adjusted for inflation. Surface transportation includes freight movements by truck, rail, pipeline, mail, Foreign Trade Zones and other modes.