Engineering work is taking place for HS2 bridge works at Small Dean near Wendover, between Amersham and Aylesbury, closing all lines.
No trains will run between London Marylebone and Aylesbury Vale Parkway via Amersham. Buses will replace trains between Amersham and Aylesbury Vale Parkway.
You can use London Underground Metropolitan line services between Baker Street and Amersham at no extra cost.
Check before you travel:
You can plan your journey using the National Rail Enquiries 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 set-down 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.