Missouri Secondary State Route J is a north-south highway in North-Central Audrain County. It runs from BUSN U.S. Rt. 54 in Mexico, to U.S. Rt. 54/Missouri State Route 19, near Laddonia. MO Sec St Rt J passes through the following town in Audrain County. Mexico
MO Sec St Rt J is multi-plexed in Audrain County. Missouri Secondary State Route B, near Laddonia. MO Sec St Rt J intersects the following highways in Audrain County. BUSN U.S. Rt. 54, at Mexico.
