The Bureau of Transportation Statistics of the U.S. Department of Transportation released the April North American Free Trade Agreement  freight numbers showing that trucks carried 60.6% of the $99 billion of freight moved in April 2013 between the United States and its NAFTA partners, Canada and Mexico.

Trucks were followed by rail at 15.1%, vessels at 9.2%, pipelines at 6.8% and air at 3.8%. The surface transportation modes of truck, rail and pipeline carried 82.5% of the total NAFTA freight flows.

BTS, a part of the Department’s Research and Innovative Technology Administration, reported that in April, for freight flows with Canada, trucks carried 55.2% of the $54.7 billion of freight, followed by rail at 17.2%, pipelines at 11.7%, vessels at 6% and air at 4.6%. The surface transportation modes of truck, rail and pipeline carried 84% of the total U.S.-Canada freight flows.

For freight flows with Mexico in April, trucks carried 67.3% of the $44.2 billion of freight, followed by rail at 12.6%, vessel at 13.2%, air at 2.8% and pipelines at 0.8%. The surface transportation modes of truck, rail and pipeline carried 80.7% of the total U.S.-Mexico freight flows.

The value of goods moving between the U.S. and its NAFTA partners by all modes of transportation increased 7.4% from April 2012 and rose 74.4% from April 2009.