Ohio State Route 193 runs north-south in Central Trumbull County. It goes from the Mahoning/Trumbull County Line, at Youngstown, to the Trumbull/Ashtabula County Line, near Gustavus Center. OH St Rt 193 passes through the following towns in Trumbull County. Gustavus Center Johnston Fowler Vienna OH St Rt 193 is not multi-plexed in Trumbull County. OH St Rt 193 intersects the following highways in Trumbull County. Ohio State Route 87, at Gustavus Center. Ohio State Route 5, at Johnston. Ohio State Route 88, at Johnston. Ohio State Route 305, at Fowler. Ohio State Route 82, near Vienna. Ohio State Route 304, near Girard. Interstate 80, near Girard.
