London – High Wycombe – Oxford / Birmingham
Timetable Changes – Wembley Stadium Event
There is a music event at Wembley Stadium – Capital FM Summertime Ball. 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 – Reduced Service
A reduced frequency of one train per hour will operate between Marylebone and Aylesbury after approximately 16:00. Additionally, during this period, buses will replace trains between Aylesbury and Aylesbury Vale Parkway.
Please refer to the attached timetables for full details.