Merge Onto I-75 N/I-85 N And Continue Straight For 0.5 Miles. Take Exit 251B On The Left For I-85 N Toward Ga-400/Greenville, Then Continue Onto I-85 N For 2.3 Miles. Take Exit 87 For Ga-400 N Toward Buckhead/Cumming And Continue Onto Ga-400 N For 20.1 Miles. Take Exit 11 For Windward Pkwy Toward Alpharetta, Then Merge Onto Windward Pkwy. After 2.8 Miles, Turn Left Onto Beacon Hill Crossing, Followed By A Left Onto Beacon Hill Way. Your Destination, 2015 Beacon Hill Way, Alpharetta