Missouri Secondary State Route OO is a short east-west highway in South-Central Pike County. MO Sec St Rt OO does not pass through any towns in Pike County. MO Sec St Rt OO is not multi-plexed in Pike County. MO Sec St Rt OO intersects the following highway in Pike County. U.S. Rt. 61, near Eolia.
A junction marker on NB U.S. Rt. 61. A BGS on NB U.S. Rt. 61.
