From the north:
Get on I-75 S/I-85 S
Follow I-85 S to GA-139 N/Riverdale Rd in College Park.
Take exit 71 from I-85 S
Continue on GA-139 N/Riverdale Rd.
Take Southport Rd to Sullivan Rd.
2301 Sullivan Rd, Atlanta, GA 30337

From the south:
Follow I-85 N to GA-279 N/Old National Hwy in College Park.
Take the Old National Hwy exit from I-85 N
Drive to Sullivan Rd
2301 Sullivan Rd, Atlanta, GA 30337

From I-75 South:
Follow I-75 N to I-285 West.
Take exit 62 from I-285 GA-279 N/Old National Hwy in College Park.
Drive to Sullivan Rd
2301 Sullivan Rd, Atlanta, GA 30337