 Route 77 crosses Oldmans Creek into Elk Township , Gloucester County , meeting CR 641 and CR 616 before crossing CR 538 . Past this junction , the route crosses CR 618 and enters Harrison Township . Route 77 continues northwest and enters Mullica Hill , where it intersects the northern terminus of CR 581 and heads north on South Main Street . Route 77 ends at Route 45 , where Route 45 continues to the north on South Main Street . 
