Missouri Secondary State Route M runs east-west in Northern Scott County. This highway connects the town of Chaffee to Interstate 55 and U.S. Rt. 61. MO Sec St Rt M passes through the following town in Scott County. Chaffee MO Sec St Rt M is not multi-plexed in Scott County. MO Sec St Rt M intersects the following highways in Scott County. U.S. Rt. 61, near Scott City. Missouri Secondary State A, at Chaffee.
