Missouri Secondary State Route J is an east-west highway across Central Howard County. It runs from Missouri State Route 5, near Fayette, to Missouri Secondary State Route Z, near Boonesboro. MO Sec St Rt J passes through the following town in Howard County. Boonesboro MO Sec St Rt J is not multi-plexed in Howard County. MO Sec St Rt J intersects the following highways in Howard County. Missouri State Route 5, near Fayette.
