From Airport/Downtown
Take I-85 North towards I-75 N/Atlanta. Take I-85N and I-75N (they overlap) for 7 miles. When I-85/I-75 split, take I-85 North for approximately 4 miles. Take the GA-400 North exit, exit number 87, towards Buckhead/Cumming. Merge onto GA-400 North ($.50 toll) and remain for approximately 12 miles. Take the Northridge Road exit, exit number 6. From ramp, proceed right (over bridge) and stay straight on Northridge Road for approximately 1.3 miles. At second light, turn right onto Roswell Road. Remain on Roswell Road for approximately 3 miles (turns into S. Atlanta Street). Turn right onto Mill Street (at gazebo). After first stop sign, turn right and follow to fourth building on left.
   

click here for a map from Atlanta's Hartsfield Airport

click here for a map from exit 6, Northridge Rd.

click here for a close-up map to MMR Research