Due to engineering works on Sunday 5th July 2015 there will be no trains arriving or departing from London Marylebone station.
All Chiltern Railways services will instead arrive and depart from London Paddington.
Until 11.00am the line will also be closed between Gerrards Cross and Banbury.
Trains will also not be stopping at Lapworth, Hatton and Kings Sutton stations and during Sunday 5th July 2015 a mini bus shuttle service will serve these stations. Trains will also not be stopping at South Ruislip or Northolt Park stations.
Further information, including a revised timetable for Chiltern Railways services on Sunday 5th July 2015, can be found on the Chiltern Railways website.