26th March 2025

Wednesday 26th March 2025:

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

• Essential late-notice daytime engineering works.
• (Signalling/cable works at Aylesbury).

The railway is closed between Amersham and Aylesbury Vale Parkway, and also between Princes Risborough and Aylesbury between 07.45 and 15.45. During this period, no Chiltern Railways train services will operate between Marylebone and Aylesbury Vale Parkway (via Amersham), nor between Princes Risborough and Aylesbury. Rail replacement buses will operate as follows, connecting with London Underground Metropolitan Line services to/from Baker Street at Amersham, and with trains to/from Marylebone at Princes Risborough:

• Amersham - Great Missenden - Wendover - Stoke Mandeville - Aylesbury - Aylesbury Vale Parkway.
• Princes Risborough - Little Kimble - Aylesbury.
• Princes Risborough - Monks Risborough.

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.