As part of the North American Free Trade Agreement (NAFTA), commercial trucks from Mexico were to be allowed to travel throughout the United States beginning in January 2000. Because of concerns about the safety of these vehicles, the United States has limited Mexican truck operations to commercial zones near the border. In February 2001, a NAFTA arbitration panel ruled that the United States blanket refusal to process applications by Mexican trucking companies to provide cross-border services beyond the commercial zones violated its NAFTA obligations. The panel noted, however, that the United States could require Mexican motor carriers to meet U.S. safety requirements. In February 2001, the administration announced that it would give Mexican trucks access to all U.S. highways by January 2002. The Department of Transportation and Related Agencies Appropriations Act for Fiscal Year 2002, enacted in December 2001, provided increased funding for safety activities related to Mexican motor carriers and set forth a series of requirements that the Department of Transportation (DOT) must meet before Mexican trucks can travel beyond the commercial zones.