Sunday 15th September 2019:
Due to Network Rail engineering works in the Haddenham & Thame Parkway area, together with HS2 preparation works at West Ruislip, the line between Marylebone and Bicester is closed at multiple locations. 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.
Passengers travelling between London - Banbury and north thereof are advised to travel to/from London PADDINGTON via Oxford using GWR services, in both directions.
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: