(20 Dec 2015, 8:36 am)S813 FVK wrote Do the X30 and X31 actually interwork? I saw 5241 doing 3 consecutive journeys yesterday morning and all three were on service X30.
(20 Dec 2015, 3:37 pm)Diamond One wrote far as am aware yes
During the day, services X30 and X31 do not interwork.
However, on a night, vehicles which have operated service X31 during the day end up operating service X30.