Missouri Secondary State Route W is a north-south highway in South-Central Franklin County. It runs from Interstate 44/Missouri Secondary State Route JJ, at Stanton, to the popular area attraction of Meramec Caverns, south of Stanton. MO Sec St Rt W passes through the following town in Franklin County. Stanton MO Sec St Rt W is not multi-plexed in Franklin County. MO Sec St Rt W intersects the following highways in Franklin County. Interstate 44, at Stanton.