No trains to / from Heathrow Terminal 4 until approximately 12:30 

Route(s) affected

Between Abbey Wood and Heathrow Terminal 4

Description

A fault with the signalling system at Heathrow Terminal 4 means trains cannot run to / from Heathrow Terminal 4. Trains running to / from this station will be cancelled or revised.

Disruption is expected until 12:30.

Customer advice:

Please allow for short notice alterations and platform changes and listen to Elizabeth line station announcements or ask a member of staff for further information.

Tickets will be accepted on the following routes at no extra cost:

• London Underground Piccadilly line to and from Heathrow Terminals

• London Buses between Hayes & Harlington and Heathrow Terminals

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.