Chiltern Railways are to introduce a leaf fall timetable starting on Sunday 7th October 2018.
When the new leaf fall timetable takes effect trains running to London on the Aylesbury (via Amersham) line will depart 3 minutes earlier than usual. The leaf fall time table will run will run from Sunday 7th October 2018 until Thursday 20th December 2018 on this line.
The Kidderminster/Birmingham/Stratford to Banbury/Oxford to Bicester Village/Aylesbury via Princes Risborough/High Wycombe to London Marylebone lines will see trains arriving at their final destination up to 3 minutes later than scheduled. The leaf fall timetable season will run from Sunday 7th October 2018 until Saturday 15th December 2018 on these lines.