From Hartsfield Atlanta Airport: Follow the signs for I-85 North (Atlanta) I-75 and I-85 combine into one highway through the downtown business district. When they split again north of downtown, the two left lanes become I-85. Continue on I-85 northbound and take the exit for GA-400 Northbound (toll road) (Note: You will need to be in the extreme right lane as you approach this exit). Follow GA-400 northbound and exit at Haynes Bridge Road (exit 9). At the top of the exit ramp, turn left across the overpass. Go to the third traffic light. There will be two left-turn lanes. Turn left on to Morrison Parkway/Westside Parkway. Go to the second traffic light. Turn left into the Research Park parking lot. Click Here for a detail map of our location