I-285 To Exit 15 For Ga-280/S Cobb Dr Toward Smyrna, Follow Ga-280 N/S Cobb Dr To Stonecreek Rd In Smyrna, Use The Left Two Lanes To Turn Left Onto Ga-280 N/S Cobb Dr, Turn Right Onto Pinehill Dr, Turn Left Onto Stonecreek Rd.