From Buckhead: Ga-400 N To E On I-285 To Chamblee Dunwoody Exit, L At Light, Then R At Next Light (On Cotillion Dr) To Madison Square On L. From I-85: N To 285 W To Exit 30 (Chamblee Dunwoody Rd, N Peachtree Rd). At Light, Go Straight On Cotillion Dr To 1850 On R.