One of short distance, located in the states of the south of the country Tabasco, Veracruz, Quintana Roo, Oaxaca; another of traditional nature in the national environment, located in the center of the country and constituted by the Federal District and the State of Mexico.
Uno de corta distancia, localizado en las entidades del sur del país Tabasco, Veracruz, Quintana Roo, Oaxaca; otro de carácter tradicional en el ámbito nacional, localizado en el centro del país y conformado por el Distrito Federal y el Estado de México.