Connecticut Route 123
Map of Fairfield County in southwestern Connecticut with Route 123 highlighted in red | ||||
| Route information | ||||
| Maintained by CTDOT | ||||
| Length | 8.37 mi (13.47 km) | |||
| Existed | 1932 (realigned 1934)–present | |||
| Major junctions | ||||
| South end | US 1 in Norwalk | |||
| US 7 in Norwalk Route 15 / Merritt Parkway in Norwalk | ||||
| North end | NY 123 at the New York state line | |||
| Location | ||||
| Country | United States | |||
| State | Connecticut | |||
| Counties | Fairfield | |||
| Highway system | ||||
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Route 123 is a secondary state highway in southwestern Connecticut from Norwalk to the New York state line near the town of Lewisboro.