20th September 2025

Saturday 20th September 2025:

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

• Planned engineering works at multiple locations.
• (New road bridge works near Aylesbury and late night routine maintenance at Oxford).

The railway is closed between Great Missenden and Aylesbury all day. No Chiltern Railways train services will operate between Marylebone and Aylesbury Vale Parkway (via Amersham). Rail replacement buses will operate as follows, connecting with London Underground Metropolitan Line services to/from Baker Street at Amersham.

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

Please scroll down for a video (with captions and British Sigh Language) providing visual information regarding the all weekend closure on the route via Amersham.

Additionally, the railway is closed between Oxford Parkway and Oxford after 22.55, affecting all late night services to/from Oxford. During this period, rail replacement buses will operate between Oxford Parkway - Oxford and/or Bicester North - Oxford.

Finalised timetables have been uploaded into online journey planners. Please check your journey in the planner at the following link: https://buy.chilternrailways.co.uk/.