From Arriva North East's Facebook:
"BLYTH X11 SERVICE UPDATE
From Sunday 22nd May 2016 we are pleased to announce that your MAX X11 service will now operate along Laverock Hall Road (Bus only link road) between Benridge Park and Portland Wynd.
X11 will no longer serve stops on South Newsham Road."
RE: Arriva North East: Upcoming Service Changes