Surface trade among the United States, Canada and Mexico rose 4.9% last year compared with 2006, the Department of Transportation said Tuesday.
Trade among the North American Free Trade Agreement partners reached $797 billion, DOT said.
Total trade by truck among the three countries was $534 billion, up 4% from 2006.
Shipments by truck from the United States to Canada rose 6.1% to $174 billion, while truck shipments from Canada to the U.S. gained 0.4%, to $150 billion.
Truck shipments from Mexico to the United States jumped 8.4% to $137 billion, while trucking shipments from the U.S. to Mexico rose 0.1%, to $93 billion.