- Southern Terminus:
- CT 8 in Thomaston
- Northern Terminus:
- Litchfield Road (CT 118) in Harwinton
- 8.08 miles
CT 222 is a north/south route in the Litchfield Hills region of Connecticut. It begins in Thomaston at the CT 8 expressway and runs northeast to Harwinton. The entire length is a two-lane undivided local road. The Thomaston Dam is located along CT 222.