Connecticut Route 121
Map of New Haven County in southern Connecticut with Route 121 highlighted in red | ||||
| Route information | ||||
| Maintained by CTDOT | ||||
| Length | 5.66 mi (9.11 km) | |||
| Existed | 1932–present | |||
| Major junctions | ||||
| South end | US 1 in Milford | |||
| Route 15 / Wilbur Cross Parkway 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 (US 1) in Milford to Route 34 near the Orange-Derby line.