According to the recent TPX Timetable, on Sundays only from 9th November TPX services (Liverpool-Newcastle-Scarborough) will be running over the Chat Moss route calling at Newton-Le-Willows and Manchester Victoria. Manchester Airport-Newcastle will also reverse at Salford Cresent before proceeding via Victoria. So Sundays between Nov 9th & Dec 14th you'll be seeing half-hourly TPX at Victoria on Sundays. It'll be interesting