NM 125 begins at US 380 approximately 5 miles (8 km) east of Tatum. The road proceeds to the north and then the northeast before NM 508 branches off to the west toward Crossroads. The road continues to the northeast to the state line and SH 125.[3] NM 125 passes through mostly agricultural lands and oil and gas fields across the largely flat and featureless terrain of the Llano Estacado.[4][5]
History
NM 125 was created sometime after 1941[6] probably in the early 1950s as Texas began the uncommon process of unofficially signing SH 125's predecessor route, Farm to Market Road 769, as a numerically continuous state highway in 1955.[2]