- Western Terminus:
- Grassy Plain Street (CT 53) in Bethel
- Eastern Terminus:
- Main Street (CT 25) in Newtown
- 7.96 miles
CT 302 is an east/west route extending from Bethel to Newtown. It begins in the downtown area of Bethel at Grassy Plain Street (CT 53) and runs east for several miles until Main Street (CT 25), just south of US 6. Putnam Park Road (CT 58) has its northern terminus at CT 302. The entire length is a two-lane undivided road.