Route information | ||||
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Maintained by CTDOT | ||||
Length | 20.70 mi[1] (33.31 km) | |||
Existed | January 1, 1959[2]–present | |||
Major junctions | ||||
West end | I-84 in Union | |||
East end | US 44 / Route 12 in Putnam | |||
Location | ||||
Country | United States | |||
State | Connecticut | |||
Counties | Tolland, Windham | |||
Highway system | ||||
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Route 171 is a state highway in northeastern Connecticut, running from Union to Putnam.