Trade using surface transportation between the United States and its North American Free Trade Agreement (NAFTA) partners Canada and Mexico was 3.1 percent higher in December 2007 than in December 2006, reaching $60.9 billion, according to the Bureau of Transportation Statistics (BTS) of the US Department of Transportation.
The value of US surface transportation trade with Canada and Mexico fell 13.4 percent in December from November. Month-to-month changes can be affected by seasonal variations and other factors.
Surface transportation consists largely of freight movements by truck, rail, and pipeline. About 90 percent of US trade by value with Canada and Mexico moves on land.
The value of US surface transportation trade with Canada and Mexico in December was up 49.3 percent compared to December 2002, and up 73.5 percent compared to December 1997, a period of 10 years. Imports in December were up 82.0 percent compared to December 1997, while exports were up 63.6 percent.
US-Canada trade
United States–Canada surface transportation trade totaled $39.6 billion in December, up 3.7 percent compared to December 2006. The value of imports carried by truck was 6.7 percent lower in December 2007 than December 2006, while the value of exports carried by truck was 5.0 percent higher. Michigan led all states in surface trade with Canada in December with $5.7 billion.
US-Mexico trade
United States–Mexico surface transportation trade totaled $21.3 billion in December, up 2.1 percent compared to December 2006. The value of imports carried by truck was 6.9 percent higher in December 2007 than December 2006 while the value of exports carried by truck was 3.3 percent lower. Texas led all states in surface trade with Mexico in December with $6.5 billion.