New Mexico State Road 120
NM 120 highlighted in red | ||||
| Route information | ||||
| Maintained by NMDOT | ||||
| Length | 119.031 mi (191.562 km) | |||
| Major junctions | ||||
| West end | NM 434 in Black Lake | |||
| East end | US 56 / US 412 toward Clayton | |||
| Location | ||||
| Country | United States | |||
| State | New Mexico | |||
| Counties | Colfax, Mora, Harding, Union | |||
| Highway system | ||||
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State Road 120 (NM 120) is a 119.031-mile-long (191.562 km) state road in the U.S. state of New Mexico. The route traverses four counties: Colfax, Mora, Harding, and Union, and is the longest state road in New Mexico. The highway's only grade-separated interchange is with Interstate 25 (I-25) in Wagon Mound.