 State Route 166 | ||||
|---|---|---|---|---|
 SR 166 in red, SR 166A in blue | ||||
| Route information | ||||
| Maintained by MaineDOT | ||||
| Length | 14.9 mi[1] (24.0 km) | |||
| Major junctions | ||||
| South end | Main Street/Battle Avenue in Castine | |||
| North end |    US 1 / SR 3 / SR 15 in Orland | |||
| Location | ||||
| Country | United States | |||
| State | Maine | |||
| Counties | Hancock | |||
| Highway system | ||||
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State Route 166 (SR 166) is part of Maine's system of numbered state highways, located in the southern coastal part of the state adjacent to the mouth of the Penobscot River. It runs just under fifteen miles (24 km) between the town of Castine and Orland at U.S. Route 1 (US 1) and SR 3/SR 15.
- ^ "Maine State Route 166" (Map). Google Maps. Retrieved June 4, 2017.