<br>Expect Normal Traffic; Six Flags Great Adventure: Park Hours: Fri, Sat  4 14 15  10am 8pm  Closed Sun  4 16   Then Open Mon  4 17  Thru Sun  4 23  10am   8pm Daily  Then Open 10am 8pm Sat Sun  4 29 30   Safari   Days Are The Same, Hours Are 9am 4pm  W