- ^ "Highway map of Tennessee showing the construction progress during 8 year period 1918-1926, on federal and state aid roads".
- ^ "Highway map of Tennessee showing the construction progress during 8 year period 1918-1926, on federal and state aid roads".
- ^ TDOT (March 1986). "Urgent Highway Needs" (PDF).
- ^ TDOT (March 1986). "Urgent Highway Needs" (PDF).
- ^ "Archived copy" (PDF). Archived from the original (PDF) on October 16, 2017. Retrieved August 7, 2017.
{{cite web}}
: CS1 maint: archived copy as title (link) - ^ "SR 66 Extension Now Open in Hamblen, Jefferson Counties". Tennessee Department of Transportation. November 5, 2020. Retrieved May 23, 2021.