3rd May 2026

Sunday 3rd May 2026:

An amended timetable will be in operation, in respect of the following:

• Planned engineering works (early morning).
• (Signalling works and routine maintenance at Oxford).
• Planned engineering works.
• (London Underground signalling works between Harrow on the Hill and Amersham).

No Chiltern Railways trains will operate on the routes Marylebone - High Wycombe - Aylesbury/Oxford/Banbury until after 08.30.

No Chiltern Railways trains will operate on the route Marylebone - Amersham - Aylesbury Vale Parkway for the entire day. Rail replacement buses will operate as follows, connecting with trains to/from Marylebone at Beaconsfield:

• Beaconsfield - Amersham - Great Missenden - Wendover - Stoke Mandeville - Aylesbury - Aylesbury Vale Parkway.

Additionally, the railway is closed between Oxford Parkway and Oxford until 08.35, affecting all early morning services to/from Oxford. During this period, rail replacement buses will operate between Oxford - Oxford Parkway and/or Oxford - Bicester North.

Finalised timetables are uploaded into online journey planners 9 weeks before the date of operation. Please check your journey in the planner at the following link: https://buy.chilternrailways.co.uk/. Any journey checked outside of this timescale may be subject to change; please double-check how these amendments are due to affect your travel plans. For some engineering works and special events at Wembley Stadium, timetables may be released closer to the date of operation.