Take I-75 N/I-85 N To Exit 251B For I-85 N. Merge Onto Ga-400 N Via Exit 87, Then Take Exit 12B To Mcfarland Parkway. Follow Union Hill Rd To Mullinax Rd, Then Fowler Rd To Ga-9 N. Turn Left Onto Castleberry Rd, Then Left Onto Majors Rd, And Finally Onto Buckingham Cir. Destination: 6720 Buckingham Cir, Cumming, Ga 30040.