Ohio State Route 601 (SR 601) is a north–south state highway in North Central Ohio. A two-lane eastern bypass of Norwalk, SR 601 has its southern terminus at SR 18 southeast of Norwalk, adjacent to Summit Motorsports Park. The northern terminus of SR 601 is at SR 113 in downtown Milan, less than 0.25-mile (0.40 km) east of the junction of SR 113 and the US 250/SR 13 concurrency.