 State Route 77 was renumbered as State Route 75 to match Tennessee State Route 75, and State Route 77 was reused on former State Route 75.State Route 78 was renumbered as part of State Route 91, and State Route 78 was used on former State Route 87.State Route 81 was renumbered as part of State Route 91 from Lodi to Frog Level, and part of State Route 16 from Tazewell to West Virginia, and State Route 81 was used on the former alignment of U.S. Route 58 from Lodi to Troutdale, and State Route 91 from Cedar Springs to Speedwell.