U.S. Federal Route 61 is a north-south highway in Eastern Ralls County. It is a four-lane highway through the county. U.S. Rt. 61 does not pass through any towns in Ralls County. U.S. Rt. 61 is not multi-plexed in Ralls County. U.S. Rt. 61 intersects the following highways in Ralls County. Missouri Secondary State Route FF, near New London.