AÂ fault with the signalling system between Harrow & Wealdstone and Watford Junction means London Overground trains are currently unable to run between these stations.
We anticipate disruption will continue until 17:00.
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.