Route information | ||||
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Maintained by CTDOT | ||||
Length | 20.93 mi[1] (33.68 km) | |||
Existed | 1932[2]–present | |||
Major junctions | ||||
West end | US 202 in New Milford | |||
East end | US 6 in Thomaston | |||
Location | ||||
Country | United States | |||
State | Connecticut | |||
Counties | Litchfield | |||
Highway system | ||||
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Route 109 is a state highway in western Connecticut, running from New Milford to Thomaston.