New Mexico State Road 247State Road 247 is a state highway in the US state of New Mexico. NM 247's western terminus is at U.S. Route 54 in Corona, and the eastern terminus is at US 285 south-southeast of Ramon.HistoryNM 247 was created in the 1988 renumbering when NM 42 was shortened. Before 1988 it was the easternmost segment of NM 42.