Ohio State Route 11 runs north-soutn on a freeway in Central Trumbull County. It goes from the Ashtabula/Trumbull County Line, near Greene, to the Mahoning/Trunbull County Lone, near Mineral Ridge. North of Youngstown, OH St Rt 11 joins Interstate 80 , and runs along it to bypass Youngstown. OH St Rt 11 passes through the following town in Trumbull County. Girard OH St Rt 11 is multi-plexed in Trumbull County. Interstate 80, near Youngstown.