High Quality Content by WIKIPEDIA articles! State Route 20 is an abnormally-oriented route in roughly the shape of a capital J rotated ninety degrees to the left. Its counterclockwise terminus is at the Alabama state line in Floyd County, and its clockwise terminus occurs in the middle of an overpass over US 19/US 41 and SR 3 in Hampton in Henry County at the Atlanta Motor Speedway, where it is known as Bruton Smith Parkway.