From Downtown Atlanta: Get On I-75 S: Head South On I-75 S From Downtown Atlanta. Take Exit 212: Exit At 212 For Locust Grove/Mcdonough. Turn Left Onto Bill Gardner Pkwy: At The Exit, Turn Left Onto Bill Gardner Pkwy. Turn Right Onto Coan Dr: Follow Bill Gardner Pkwy And Turn Right Onto Coan Dr. Arrive At 1293 Coan Dr: Continue On Coan Dr Until You Reach 1293 On The Right Side.