"South" . "SR" . "81" . . "North" . "73708.0"^^ . "New Mexico State Road 81 (also known as NM 81) is a 45.800-mile (73.708 km) state road in southwestern New Mexico. The route runs from the Mexico\u2013U.S. border in Antelope Wells north to NM 9 in Hachita, passing through desert and semi-arid farmland. NM 81 is maintained by the New Mexico Department of Transportation (NMDOT)."@en . . . .