 Crossing the centerpoint of downtown at Clairemont Avenue (north) and McDonough Street (south), near city hall and the Decatur MARTA station, it becomes East Ponce de Leon Avenue.It then continues on through Scottdale and downtown Clarkston to become Main Street southward through downtown Stone Mountain, then becoming Stone Mountain Lithonia Road on its way south to Lithonia.It is also an exit at mile 40 off Interstate 285 ("the Perimeter") north.