From Atlanta (Hartsfield International) Airport-38 miles
Follow Signs to I-85 North. Take GA 400 North (exit 29, toll road, $.50 toll) to Windward Parkway (Exit 11). Turn left at Windward Parkway and after crossing under] GA 400, turn left into HP 5555 Windward Parkway site entrance. Follow road around to the right to visitor parking signs. Visitor entrance is at ground level where two buildings meet - look for 4 flagpoles.