Merge Onto I-75 N/I-85 N And Continue, Taking Exit 251B For I-85 N. Continue On I-85 N, Take Exit 87 For Ga-400 N, Then Take Exit 5 For Abernathy Rd. Merge Onto Abernathy Rd Ne, Turn Right Toward Roswell Rd, Then Turn Right Onto Roswell Rd. Turn Right, Right Again, Then Left. Destination Will Be On The Right: 6851 Roswell Rd A18, Atlanta, Ga 30350.