Indiana State Route 218 is an east-west highway across Southern Miami County. It runs from the Cass/Miami County Line, near Onward, to Indiana State Route 19, near McGrawsville. IN St Rt 218 passes through the following town in Miami County. Bunker Hill IN St Rt 218 is multi-plexed in Miami County. U.S. Rt. 31, near Bunker Hill.
IN St Rt 218 intersects the following highways in Miami County.U.S. Rt. 31, near Bunker Hill.