Saugatuck Avenue, Riverside Avenue, Wilton Road, Westport Road, Ridgefield Road, Wilton Road West

Direction: East/West
Southern Terminus: Saugatuck Avenue (CT 136) in Westport
Northern Terminus: Main Street (CT 35) in Ridgefield

CT 33 is a north/south route in Fairfield County, Connecticut. It begins at CT 136, just south of the Connecticut Turnpike (I-95) in Westport. It runs north as Saugatuck Avenue, Riverside Avenue, Wilton Road, and Westport Road, curving to the northwest after it crosses the Merritt Parkway (CT 15). In Wilton, CT 33 is multiplexed with US 7 for a short distance. It then splits off and runs to the northwest as Ridgefield Road and Wilton Road West. It ends at Main Street (CT 35) in Ridgefield, near the New York border.