Transport secretaries Ray LaHood and Dionisio Perez-Jacome signed the three-year memorandum, which is based on an agreement announced inwards strut by Presidents Barack Obama and Felipe Calderon. NAFTA, signed hip 1994, had called in support of Mexican trucks to bear at liberty access to highways hip border states by 1995 and rounded access to all U.S. highways by January 2000. Canadian trucks bear rejection limits on wherever they can get to. But until at this instant, Mexican trucks undergo seldom been tolerable farther than a shock absorber zone on the U.