Trade between the United States and Canada and Mexico rose increased 11.6 percent from a year earlier.
U.S.-Canada trade rose 12.2 percent to $44.3 billion, and U.S.-Mexico trade gained 13.3 percent to $32.4 billion.
U.S.-Canada trade increased 14.1 percent year-over-year to $46.4 billion, while U.S.-Mexico gained 9.1 percent to $32.6 billion.
Surface transportation trade among the three countries increased 13.8 percent in September over September 2010.
U.S. trade with Canada and Mexico in August was 18.3 percent higher than a year earlier.
Surface transportation trade between the United States and Canada and Mexico increased 18.1 percent in July.
Trade with Canada and Mexico was 15.7 percent higher in May than in May 2010.
Surface transportation trade increased 15.6 percent over March 2010 to $80.8 billion.
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