NM 75 is located on the western slope of the Sangre de Cristo Mountains starting near the Rio Grande, passes through Pircuris Pueblo, and ends as a segment of the High Road to Taos near Peñasco.

The road then runs east through the mountain villages of Rio Lucio, Peñasco, and Vadito, before reaching its eastern terminus at intersection of NM 518 4.8 miles west of Sipapu Ski Area.

NM 7 is a mountainous two-lane undivided highway with few passing lanes.

The road begins at 5,900-foot (1,800 m) elevation and climbs steadily to 7,500-foot (2,285 m).

The speed limit is maximum 55-mile-per-hour (90 km/h), stretches of 50-mile-per-hour (80 km/h), and as low as 25-mile-per-hour (40 km/h) in the villages.