Question: What is the NAFTA superhighway, and how would it work?

NAFTA superhighway is a buzz phrase for major transportation corridors that carry international trade through the three biggest countries of North America: Mexico, the United States and Canada.

These highways existed long before implementation of the North American Free Trade Agreement began on Jan. 1, 1994.

With total domestic freight tonnage projected to increase 67 percent by 2020, the race is on to secure funding to maintain and improve the U.S. domestic transportation infrastructure and to build new roads to alleviate critical congestion on the nation's roads. AZStar.net, 8.09.2007