Saturday 5th June 2021:
Additionally, due to a late notice London Underground evening route closure, no Chiltern Railways trains will operate between Marylebone and Aylesbury Vale Parkway between approximately 18:00 and 21:15. During this period, rail replacement buses will operate, connecting with trains to/from Marylebone at Gerrards Cross.
Please refer to the PDF timetable/s below - these will be uploaded to this page as soon as they are finalised.
Please check your train times carefully.