Ohio State Route 185 underwent several changes in history, from replacing SR 120 in 1940, being extended to US 127 by 1953, and finally realigning back to its eastern terminus in Piqua in 2011.
Ohio State Route 185 underwent several changes in history, from replacing SR 120 in 1940, being extended to US 127 by 1953, and finally realigning back to its eastern terminus in Piqua in 2011.