- Southern Terminus:
- Saugatuck Avenue (CT 136) in Westport
- Northern Terminus:
- Main Street (CT 35) in Ridgefield
- 14.41 miles
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.