The hisghway crossing east and west at this intersection is the Old Federal Road, firt vehicular way and earliest postal route west of the Chattahoochee. Beginning to the east on the Hall-Jackson county line, it linked Georgia and Tennessee across the Cherokee Nation.
Rights to use the route were granted informally by the Indians in 18003 and formally in the 1805 Treaty of Tellico, Tennessee.
Prior to that time the trace served a a trading path from Augusta to the Cherokees of northwest Georgia and southeast Tennessee.
GHM 058-1 Georgia Historical Commission 1954
Plaque courtesy Lat34North.com.
Original page, with additional info, here.
Photo credit: Byron Hooks of Lat34North.com.