I have been watching this for a while, on the net as the media IS NOT covering it but it's quite scary (especially if you don't like illegal immigrants)

http://www.thenation.com/doc/20070827/hayes

When completed, the highway will run from Mexico City to Toronto, slicing through the heartland like a dagger sunk into a heifer at the loins and pulled clean to the throat. It will be four football fields wide, an expansive gully of concrete, noise and exhaust, swelled with cars, trucks, trains and pipelines carrying water, wires and God knows what else

"Spain will own most of the toll roads that connect to the superhighway. Mexico will own and operate the Kansas City Smart Port. And NAFTA tribunal, not the U.S. Supreme Court, will have the final word in trade disputes.