Take Ga-400 N/Us-19. Take Exit 14 For Ga-20 E Toward Buford/Cumming. Slight Right To Merge Onto Ga-20 E/State Hwy 20 E/Buford Hwy. Keep Right To Continue On Ga-20 E/Buford Rd. Turn Right Onto Trammel Rd. Turn Left Onto Benefield Rd. Turn Right Onto Blackstock Dr. Turn Right Onto Irwin Ct.