It briefly runs west until it reaches the grounds of the Peru Central School District building, and makes a sharp curve to the north at the intersection of Clinton County Route 37 (CR 37; River Road), replacing the trajectory of CR 39 (Jarvis Road). It continues north through farmland on the west side and forestland on the east side but briefly curves northeast and runs over a small bridge over Arnold Brook.
The road takes a short detour west before arriving at the Peru Central School District property, then turns sharply to the north at the intersection with Clinton County Route 37 (CR 37; River Road), shifting its course from CR 39 (Jarvis Road). It continues north through farmland and woodland but makes a brief turn northeast before crossing a small bridge over Arnold Brook.