 This is also the western terminus of Georgia State Route 8 (SR 8), which is concurrent with US 78 to the east.The highway serves the Atlanta, Athens, and Augusta metropolitan areas on its path from the Alabama state line to the South Carolina state line, at the Savannah River, on the northeastern edge of Augusta, where it continues concurrent with US 1/US 25/US 278/SC 121.This is also the eastern terminus of SR 10 and the northern terminus of SR 121, as well as the southern terminus of SC 121.