A fault with the signalling system at Southall is causing disruption to journeys running between London Paddington and Heathrow Airport / Reading.
As a result, trains may be delayed by up to 20 minutes.
We anticipate disruption will continue until 10:45.
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.