London – High Wycombe – Oxford / Birmingham
Timetable Changes – Engineering Works
Due to engineering works, the line is closed between Bicester Village and Oxford until 10:25. During this period, Oxford trains will operate only between Marylebone and Bicester Village. Connecting rail replacement buses will operate between Bicester Village – (Islip –) Oxford Parkway – Oxford (in both directions).
Please refer to the attached timetable for full details.
London – Amersham – Aylesbury Vale Parkway
No Timetable Changes
A normal Sunday timetable will operate, with no planned alterations.