By Getting On I-285 N If You're Coming From Downtown Atlanta. Continue On I-285 For Approximately 15 Miles And Take Exit 40 For Ga-400 N Toward Gainesville. Merge Onto Ga-400 N And Continue For About 6 Miles. Take Exit 13 For Ga-141 S Toward Peachtree Corners And Keep Left To Stay On Ga-141 S. After About 3 Miles, Turn Right Onto Peachtree Parkway (Ga-141) And Continue For Another Mile. Turn Left Onto Burdett Ridge Drive.