 State Route 64, from the Tennessee state line to Lebanon, was renumbered as part of a realigned State Route 71 from Lebanon to Dickensonville, overlapped US 58 from Dickensonville to St. Paul, State Route 70 from St. Paul to east of Dryden, State Route 65 from east of Dryden to Pennington Gap, State Route 70 from Pennington Gap]to Tennessee.State Route 64 was used on the old route of State Route 71 from Dickensonville to Hansonville, and on former State Route 70 from Banners Corner to Fremont.State Route 65, from Dot to Kentucky, was renumbered as part of State Route 66 to match Kentucky, and State Route 65 was used to replace part of State Route 64 from east of Dryden to Woodway.