State Road 166 | ||||
|---|---|---|---|---|
 NM 166 highlighted in red | ||||
| Route information | ||||
| Maintained by NMDOT | ||||
| Length | 1.9 mi[1] (3.1 km) | |||
| Major junctions | ||||
| West end | End of route near Datil | |||
| East end |  NM 52 near Datil | |||
| Location | ||||
| Country | United States | |||
| State | New Mexico | |||
| Counties | Socorro | |||
| Highway system | ||||
| ||||
| ||||
State Road 166 (NM 166) is a 1.9-mile-long (3.1 km) state highway in Socorro County, New Mexico, United States. NM 166's western terminus is at the end of route east-southeast of Datil, and the eastern terminus is at NM 52 east-southeast of Datil. It runs along a portion of a former alignment of U.S. Route 60 and serves the visitor center of the Very Large Array astronomical observatory.
