WASHINGTON, D.C. — Trade using surface transportation between Canada and its North American Free Trade Agreement (NAFTA) partners the United States and Mexico was 6.6% higher in June 2008 than in June 2007, reaching $74.1 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 rose 0.015% in June from May. Month-to-month changes can be affected by seasonal variations and other factors, BTS officials said.

Surface transportation consists largely of freight movements by truck, rail and pipeline. About 88% of US trade by value with Canada and Mexico moves on land.

The value of US surface transportation trade with Canada and Mexico this June was up 56.3% compared to June 2003, and up 97.3% compared to June 1998, a period of 10 years. Imports in June 2008 were up 106.4% compared to June 1998, while exports were up 86.8%.

Canada-US surface transportation trade totalled $48.9 billion in June, up 8.7% compared to June 2007. The value of imports carried by truck was 1.4% lower in June 2008 than June 2007, while the value of exports carried by truck was 8.2% higher.

Michigan led all states in surface trade with Canada in June with $6.5 billion.