Engineering work is taking place overnight between Aylesbury and Aylesbury Vale Parkway, closing all lines.
The 21:57, 22:57 and 23:57 London Marylebone to Aylesbury Vale Parkway services will terminate at Aylebury.
A replacement bus service will operate between Aylesbury and Aylebury Vale Parkway.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
Replacement Bus Travel Advice:
For helpful advice if you need to travel on a rail replacement service, including accessibility information, please use our travel information pages.
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 replacement vehicles may be busier than usual, and you should allow extra time for your journey.