Last updated:Today at 14:59
Train companies affected:South Western Railway
Train operators affected
Chiltern Railways between London Marylebone and Aylesbury / Aylesbury Vale Parkway
Engineering work is taking place between Stoke Mandeville and Aylesbury Vale Parkway and also between Princes Risborough & Aylesbury, closing both lines until various points in the afternoon.
Buses will replace trains between Great Missenden and Aylesbury Vale Parkway before 13:00. An amended train service will run between London Marylebone and Great Missenden.
Buses will replace trains between Aylesbury and Aylesbury Vale Parkway until 17:00.
Between 13:00 and 17:00, trains will run between London Marylebone and Aylesbury. After 17:00, a normal train service will run.
Buses will replace trains between Princes Risborough and Aylesbury until 16:30. Scheduled trains are planned to resume after 1630.
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
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 bus replacement 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.