Chiltern railways are to introduce a leaf fall timetable starting on Sunday 8th October 2017.
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 until Saturday 23rd December 2017 on this line.
The Kidderminster/Birmingham/Banbury/Oxford/High Wycombe to London Marylebone line will see trains arriving at their final destination up to 3 minutes later than scheduled. The leaf fall timetable season will run until Saturday 9th December 2017 on this line.
Further information is available on the Chiltern Railways website.