London – High Wycombe – Oxford / Birmingham
Timetable Changes – Engineering Works & Wembley Stadium Event
Due to engineering works in the Banbury and Leamington Spa areas, the line is closed between Bicester North and Warwick all day. A reduced frequency of two trains per hour will operate between Marylebone and stations to Bicester North, and also between Birmingham Moor Street and stations to Warwick Parkway. No Chiltern Railways trains will serve Birmingham Snow Hill all day. Rail replacement buses will operate as follows, in both directions:
* Bicester North – Warwick Parkway (non-stop).
* Bicester North – Banbury – Leamington Spa – Warwick – Warwick Parkway.
* Bicester North – Banbury – Stratford Upon Avon.
* Leamington Spa – Warwick – Stratford Upon Avon Parkway – Stratford Upon Avon.
Additionally, due to engineering works taking place in the Aylesbury area, the line is closed between Princes Risborough and Aylesbury until 11:00. Rail replacement buses will operate between Princes Risborough and stations to Aylesbury during this period.
There is also a sporting event at Wembley Stadium – England vs Lithuania. An amended timetable will operate for most of the day, with many services calling additionally at Wembley Stadium.
London – Amersham – Aylesbury Vale Parkway
Timetable Changes – Engineering Works & Reduced Service
Due to engineering works taking place in the Aylesbury area, the line is closed between Stoke Mandeville and Aylesbury until 11:00. Trains will operate between Marylebone and Great Missenden; rail replacement buses will operate between Great Missenden and stations to Aylesbury Vale Parkway. During this period, some southbound services will be replaced by a bus between Aylesbury Vale Parkway and Amersham, for a connecting London Underground service forward to Baker Street.
A reduced frequency of one train per hour will operate between Marylebone and Aylesbury after approximately 15:00. Additionally, during this period, buses will replace trains between Aylesbury and Aylesbury Vale Parkway.
Please refer to the attached timetables for full details.