From Interstate 40, Begin By Taking Exit 274 For Nc-751 Toward Durham. Proceed South On Nc-751 (Also Known As Hope Valley Road). After Approximately 2.5 Miles, Turn Right Onto Excelsior Grand Avenue. Continue On Excelsior Grand Avenue, Then Make A Right Turn Onto Whistler Drive. Next, Take A Left Toward Newpoint Drive, Followed By A Right Onto Newpoint Drive. Finally, Turn Right Onto Callowhill Lane; Number 139 Will Be On Your Right. Please Note That You May Need To Walk Around The Building Via The Sidewalk To Access The Front Door, So It's Advisable To Use Gps For Precise Navigation.