Route information | ||||
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Maintained by CTDOT | ||||
Length | 5.66 mi[1] (9.11 km) | |||
Existed | 1932–present | |||
Major junctions | ||||
South end | US 1 in Milford | |||
Route 15 in Orange | ||||
North end | Route 34 in Orange | |||
Location | ||||
Country | United States | |||
State | Connecticut | |||
Counties | New Haven | |||
Highway system | ||||
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Route 121 is a state highway in southern Connecticut running from U.S. Route 1 in Milford to Route 34 near the Orange-Derby line.