Engineering work is taking place between Amersham and Aylesbury, closing all lines.
No trains will run between London Marylebone and Aylesbury Vale Parkway.
Replacement buses will run between Aylesbury Vale Parkway and Beaconsfield via Amersham.
Ticket acceptance:
You can use your ticket on London Underground services between Amersham and Baker Street.
Check before you travel:
These changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.
You can plan your journey on London Underground by using the Transport for London Journey Planner
Replacement Bus Travel Advice:
For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please use this page.
You can find the location of your replacement bus by checking station signs or by searching for your station on our station information pages.
Please be advised that, on occasion, replacement vehicles may be busier than usual, and you should allow extra time for your journey.