U.S. Federal Route 136 is the main east-west hignway in Fulton County. It runs in the southern portions of the county. U.S. Rt. 136 passes through the following towns in Fulton County. Table Grove Ipava Duncan Mills U.S. Rt. 136 is multi-plexed in Fulton County. Illinois State Route 78, near Havana. Illinois State Route 97, near Havana.