Sunday 22nd September 2019:
Due to Network Rail engineering works, the line through Beaconsfield is closed all day, together with with HS2 preparation works at West Ruislip. A heavily-amended timetable will operate on all Chiltern Railways routes, and most journeys will be affected. Passengers may need to travel via alternative routes, on other operator's services, London Underground services and/or rail replacement bus services. Journey times will be considerably longer than usual.
Chiltern Railways train services will operate as follows (in both directions):
Rail Replacement bus services will operate as follows (in both directions):
For full details, please refer to the PDF timetable/s and summary route map published below: