Indiana State Route 44 is the main east-west highway in Central Johnson County. This is mostly a two-lane highway in the county. IN St Rt 44 passes thorugh the following towns in Johnson County. Bud Mount Pleasant Franklin IN St Rt 44 is not multi-plexed in Johnson County. IN St Rt 44 intersects the following highways in Johnson County. Indiana State Route 135, near Bud. Indiana State Route 144, at Franklin. U.S. Rt. 31, at Franklin. Interstate 65, near Franklin.