Connecticut Route 34
Map of southern Connecticut with Route 34 highlighted in red | ||||
| Route information | ||||
| Maintained by CTDOT | ||||
| Length | 21.88 mi (35.21 km) | |||
| Existed | 1932–present | |||
| Major junctions | ||||
| West end | Washington Avenue in Newtown | |||
| East end | Route 10 in New Haven | |||
| Location | ||||
| Country | United States | |||
| State | Connecticut | |||
| Counties | Fairfield, New Haven | |||
| Highway system | ||||
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Route 34 is a primary state highway in the U.S. state of Connecticut. Route 34 is 21.88 miles (35.21 km) long, and extends from Newtown near I-84 to Route 10 in New Haven. The highways connects the New Haven and Danbury areas via the Lower Naugatuck River Valley. The portion of the route between New Haven and Derby was an early toll road known as the Derby Turnpike. It formerly ran through downtown New Haven on the Oak Street Connector until the early 2020s.