From I-20:

Take Exit 59A off Interstate 20.
Proceed south on Boulevard about 1/2 mile. Visitors to Zoo Atlanta should continue down to Atlanta Avenue
Turn Right on Atlanta Avenue
Turn right turn again on Cherokee Avenue and
enter the Cherokee lots from the south and the entrance of the Zoo is directly in front of you
The Cherokee Lot is BLUE on the map .
Park here and walk through Gate C-5
(GREEN)
to the Conservation ARC (YELLOW) at the south end of the lot.

FROM I-75:

Off Interstate 75/85, take Exit 246 (Fulton Street)
Drive east on Fulton Street.
Turn right at Capitol Avenue.
Follow Capitol to first light, turn left on Georgia Avenue.
Georgia Avenue ends at the Cherokee Avenue lot.
The Cherokee Lot is BLUE on the map .
Park here and walk through Gate C-5
(GREEN)
to the Conservation ARC (YELLOW) at the south end of the lot.