Missouri Secondary State Route FF is a north-south highway in Central Linn County. This runs north of U.S. Rt. 36/Missouri State Route 5, west of Laclede. MO Sec St Rt FF does not pass through any towns in Linn County. MO Sec St Rt FF is not mutli-plexed in Linn County. MO Sec St Rt FF intersects the following highways in Linn County. U.S. Rt. 36, near Laclede. Missouri State Route 5, near Laclede.
A junction marker on EB U.S. Rt. 36/SB MO St Rt 5.