Map of Middlesex County in southern Connecticut with Route 81 highlighted in red | ||||
Route information | ||||
Maintained by CTDOT | ||||
Length | 15.75 mi[1] (25.35 km) | |||
Existed | 1932[2]–present | |||
Major junctions | ||||
South end | ![]() | |||
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North end | ![]() | |||
Location | ||||
Country | United States | |||
State | Connecticut | |||
Counties | Middlesex | |||
Highway system | ||||
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Route 81 is a state highway in Connecticut from Clinton center through Killingworth center to the village of Higganum in the town of Haddam.