Not to sure since the new timetable but I know Mon-Fri 21:27 Manchester Piccadilly-Birmingham Cross Country service is operated by a double voyager although the rear set is always locked out of use.
On Saturdays for some reason this doesnt happen as there's an extra 21:07 Manchester Piccadilly-Birmingham service
On Saturdays for some reason this doesnt happen as there's an extra 21:07 Manchester Piccadilly-Birmingham service