Engineering work is taking place between London Marylebone and Aylesbury Vale Parkway, closing all lines via Amersham.
No trains will run between London Marylebone and Aylesbury Vale Parkway via Amersham.
Replacement buses will run between Amersham and Aylesbury Vale Parkway.
You can use your ticket at no extra cost on London Underground Metropolitan line services between Baker Street and Amersham.
Check before you travel:
You can plan your journey using the National Rail Journey Planner.
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 our Rail Replacement Services page.
You can find the pick-up and drop-off location of rail replacement services by checking station signage or by searching for your station on our Find a Station page.
Please be advised that replacement vehicles may be busier than usual, and you should allow extra time for your journey.