Mexican Federal Highway 180 is a Mexican Federal Highway that follows Mexico's Gulf and Caribbean Coast from the Mexico-U.S. border at Brownsville, Texas, into Matamoros, Tamaulipas, to the resort city of Cancún, Quintana Roo, in the Yucatán Peninsula. Although the highway is numbered as an east-west route, it initially follows a north-south alignment through Tamaulipas and Veracruz