 New York State Route 166 | ||||
|---|---|---|---|---|
 Map of Otsego County in eastern New York with NY 166 highlighted in red | ||||
| Route information | ||||
| Maintained by NYSDOT | ||||
| Length | 20.96 mi[1] (33.73 km) | |||
| Existed | 1930[2]–present | |||
| Major junctions | ||||
| South end |  NY 28 in Milford | |||
 NY 165 in Roseboom | ||||
| North end |   US 20 / CR 32 near Cherry Valley village | |||
| Location | ||||
| Country | United States | |||
| State | New York | |||
| Counties | Otsego | |||
| Highway system | ||||
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New York State Route 166 (NY 166) is a north–south state highway in Otsego County, New York, in the United States. It extends for 20.96 miles (33.73 km) from NY 28 in the village of Milford to U.S. Route 20 (US 20) north of the village of Cherry Valley. Much of NY 166's southern portion is near Cooperstown, and various county routes serve as connectors between NY 166 and Cooperstown. In Cherry Valley, NY 166 intersects the former western terminus of the First Great Western Turnpike. After passing under US 20, the road continues as County Route 32, which becomes County Route 82 at the Montgomery County line, north to Sprout Brook in Montgomery County, where it meets NY 163. NY 166 is a two-lane highway its entire length.