Trade using surface transportation between the United States and its North American Free Trade Agreement (NAFTA) partners was 12.6 percent higher in July 2006 than in July 2005, totaling $55.9 billion, according to information from the Bureau of Transportation Statistics.
At the same time, NAFTA surface transportation trade fell 16.4 percent in July from the previous month. 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.
US–Canada surface transportation trade totaled $35.2 billion in July, up 10.7 percent compared to July 2005. The value of imports carried by truck was 7.6 percent higher in July 2006 than July 2005, while the value of exports carried by truck was 14.3 percent higher. Michigan led all states in surface trade with Canada in July with $3.5 billion.
US–Mexico surface transportation trade totaled $20.7 billion in July, up 16.0 percent compared to July 2005. The value of imports carried by truck was 17.2 percent higher in July 2006 than July 2005 while the value of exports carried by truck was 14.5 percent higher. Texas led all states in surface trade with Mexico in July with $6.5 billion.