| State Road 120 | ||||
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| Route information | ||||
| Maintained by NMDOT | ||||
| Length: | 119.031 mi (191.562 km) | |||
| Major junctions | ||||
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| East end: |
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| Location | ||||
| Counties: | Colfax, Mora, Harding, Union | |||
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NM 442 in Ocate![]()
I-25 / US 85 in Wagon Mound
NM 271 in Wagon Mound
State Road 120 (NM 120) is a 119.031-mile (191.562 km) long 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 in Wagon Mound.