Ohio State Route 46 runs north-south in Western Mahoning County. It goes from the Trumbull/Mahoning County Line, near Mineral Ridge, to the Columbiana/Mahoning County Line, near Greenford. This follows the Ohio State Route 11 corridor through the county. OH St Rt 46 passes through the following towns in Mahoning County. Austintown Canfield OH St Rt 46 is multi-plexed in Mahoning County. U.S. Rt. 62, at Canfield. OH St Rt 46 crosses the following highways in Mahoning County. Interstate 80, near Mineral Ridge. U.S. Rt. 62, at Canfield. Interstate 76, (Ohio Turnpike) at Canfield. (NO Interchange) U.S. Rt. 62, at Canfield. U.S. Rt. 224, at Canfield. Ohio State Route 446, at Canfield. Ohio State Route 165, near Greenfield. Ohio State Route 11, near Greenfield.
