- Western Terminus:
- NY 343 at the New York-Connecticut state line
- Eastern Terminus:
- South Main Street (CT 41), Main Street (CT 41), and Cornwall Bridge Road (CT 4) in Sharon
- 1.50 miles
Amenia Road is a short extension of NY 343 into Connecticut. It begins at the state line and runs east for a mile and a half to CT 41 in Sharon, where it turns into Cornwall Bridge Road (CT 4).