A fault with the signalling system between Amersham and Harrow-On-The-Hill means all lines are currently closed. As a result, trains may be cancelled, delayed or revised.

Disruption is expected until 09:00.

All stations between Amersham and Harrow-On-The-Hill will not be served.

Check before you travel:

You can check your journey using the National Rail Enquiries real-time Journey Planner.

Compensation:

You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.