Berkshire Road, Roosevelt Drive, Main Street, New Haven Avenue, Derby Turnpike, Derby Avenue, Ella T. Grasso Boulevard, Legion Avenue, North Frontage Road, South Frontage Road, Oak Street Connector


Direction: East/West
Western Terminus: Yankee Expressway (I-84/US 6) in Newtown
Eastern Terminus: Connecticut Turnpike (I-95) and I-91 in New Haven
Distance: 24.37 miles
Counties: Fairfield, New Haven
Signed: Yes

CT 34 runs diagonally through southwestern Connecticut. It begins at the Yankee Expressway (I-84/US 6) in Newtown and runs southeast along Berkshire Road, Roosevelt Drive, Main Street, New Haven Avenue, Derby Turnpike, and Derby Avenue to New Haven. In New Haven, Derby Avenue ends and CT 34 is multiplexed with CT 10 south along Ella T. Grasso Boulevard. An expressway known as the Oak Street Connector was supposed to carry CT 34 from Ella T. Grasso Boulevard to the Connecticut Turnpike (I-95) and I-91. However, only a portion of it was actually built, so CT 34 runs east along Legion Avenue, North Frontage Road, and South Frontage Road, the frontage roads of the partially-built expressway, to the beginning of the Oak Street Connector. The Oak Street Connector carries the CT 34 designation for its entire length. CT 34 ends at the Connecticut Turnpike (I-95) and I-91 in New Haven.

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