Directions From Downtown Atlanta To 12843 Simmons Rd, Hampton, Ga 30228: Get On I-75 S From Central Atlanta. Stay On I-75 S For Approximately 25 Miles. Take Exit 218 For Ga-20/Ga-81 Toward Mcdonough/Hampton. Turn Right Onto Ga-20 W/Ga-81 W/Hampton Rd. Continue On Ga-20 W For About 6.5 Miles. At The Roundabout, Take The Second Exit To Stay On Ga-20 W. Turn Right Onto E King Rd. Continue For About 1.5 Miles, Then Turn Left Onto Simmons Rd. 12843 Simmons Rd Will Be On Your Left.