Engineering work is taking place between West Ruislip and Northolt Park, closing all lines until 12:35.
Before 12:35, no trains will run between West Ruislip and London Marylebone.
To help you complete your journey you can use your ticket at no extra cost on the following London Underground routes:
Check before you travel:
These changes are not currently shown in the National Rail Journey Planner, please check back nearer to the time of travel.
You can plan your journey on London Underground by using the Transport for London Journey Planner.