Missouri Secondary State Route W is a short north-south highway in West-Central Macon County. MO Sec St Rt W does not pass through any towns in Macon County. MO Sec St Rt W is not multi-plexed in Macon County. MO Sec St Rt W intersects the following highways in Macon County. U.S. Rt. 36, near Bucklin. Missouri State Route 129, near Bucklin.
A junction marker on EB U.S. Rt. 36/SB MO St Rt 129.