Take Ga-400 N To Ga-140 W/Holcomb Bridge Rd In Roswell. Take Exit 7B From Ga-400 N; Take Exit 251B On The Left For I-85 N Toward Ga-400/Greenville;Use The Right 2 Lanes To Take Exit 87 For Ga-400 N Toward Buckhead/Cumming; Use The Left Lane To Merge Onto Ga-140 W/Holcomb Bridge Rd;Turn Left Onto Dogwood Rd;Turn Right Onto Grimes Bridge Rd;Turn Left Onto River Bluff Pkwy.