Engineering work scheduled to take place between Neasden and Harrow-on-the-Hill has been cancelled, and will not take place.
Trains will run as normal between London Marylebone and Aylesbury Vale Parkway via Amersham.
Check before you travel:
The Journey Planner has been amended to reflect the cancellation of the engineering work. To find options for your journey, please use the National Rail Journey Planner.