Missouri Secondary State Route HH is a short east-west highway in Nouthern Ralls County. MO Sec St Rt HH does not pass through any towns in Ralls County. MO Sec St Rt HH is not multi-plexed in Ralls County. MO Sec St Rt HH intersects the following highway in Ralls County. U.S. Rt. 61, near New London.
Missouri Secondary State Route H, near Rensselaer.
