North American Trade Numbers by Mode of Transportation for January
Trucks carried 59.3 percent of the $90.5 billion in trade in January 2013 between the United States and its North American Free Trade Agreement (NAFTA) partners, Canada and Mexico, followed by rail at 14.3 percent, vessels at 9.8 percent, pipelines at 8.1 percent and air at 3.8 percent, according to the Bureau of Transportation Statistics (BTS) of the U.S.