Monday 23, Tuesday 24, Wednesday 25 and Thursday 26 March
Network Rail engineering works between Haddenham & Thame Parkway and Bicester, an amended timetable will operate after 23.20. Late night services between Marylebone and stations to Banbury and Oxford via High Wycombe will be subject to alteration and rail replacement bus operation for all or part of the journey. During this period, journey times will be longer than usual.
Friday 10, Saturday 11, Sunday 12 and Monday 13 April
Engineering works impacting other train operators on the west coast mean that Chiltern Railway's services may be busier than usual over the Easter weekend. A Saturday-style service will operate on Friday 10 and Monday 13 April, please note that no trains will call at Sudbury Hill Harrow or Sudbury & Harrow Road.