U.S.-NAFTA trade carried by truck in July was up 5.3% over last year, according to the latest North American Free Trade Agreement freight data from the U.S. Department of Transportation.

Trucking, which carries three-fifths of that trade, was one of four of the five transportation modes that carried more U.S.-NAFTA trade in July 2013 than in July 2012. The value of overall U.S. trade with its NAFTA partners rose 6.3% from year to year.

Pipelines showed the most year-to-year growth at 25%, reflecting the rise in prices for oil and other petroleum products.

Trucking rose 5.3% while rail rose 4.5% and air grew 6.3%. Vessel was the only mode showing a decrease, 0.3%.

U.S.-Canada trade by pipeline, of which 83 percent was imported, increased the most of any mode from July 2012 to July 2013, growing 24.2%. U.S.-Canada pipeline trade makes up 95% of total U.S. NAFTA pipeline trade.

For freight flows with Canada in July, trucks carried 53.9% of the $49.9 billion of the freight, followed by rail at 15.5%, pipelines at 14.8%, vessel at 5.3% and air at 4.4%.

U.S.-Mexico trade by pipeline, of which 95 percent was exports, increased the most of any mode from July 2012 to July 2013, growing 43.8%. U.S.-Mexico pipeline trade makes up 5% of total U.S. NAFTA pipeline trade.

For freight flows with Mexico in July, trucks carried 65.3% of the $43.2 billion of the freight, followed by vessel at 14.1%, rail at 13.5%, air at 2.9% and pipelines at 0.8%.