The start of train services between Bicester, Bletchley and Milton Keynes is set to be delayed until later this year, although test trains ran successfully on the line last October.

Colour light lineside signals are being removed for the first time on a commuter railway as digital train regulation expands. Signals will be removed between Moorgate and Finsbury Park over the weekend of 17 and 18 May, following the introduction of the European Train Control System on the route.