Ohio State Route 7 is a north-south highway in Central Mahoning County. This is one of the main surface highways in Youngstown. OH St Rt 7 passes through the following towns in Mahoning County. North Lima Boardman Youngstown OH St Rt 7 is multi-plexed in Mahoning County. U.S. Rt. 62, at Youngstown. OH St Rt 7 crosses the following highways in Mahoning County. Ohio State Route 165, near North Lima. Ohio State Route 164, at North Lima. Interstate 76, (Ohio Turnpike) near North Lima. U.S. Rt. 224, at Boardman. Ohio State Route 625, at Youngstown. U.S. Rt. 62, at Youngstown. Interstate 680, at Youngstown. (NO INTERCHANGE) Ohio State Route 289, at Youngstown. U.S. Rt. 422, at Youngstown.
