A points failure in the Twyford area means that some lines are blocked.
As a result, trains running between London Paddington and Reading may be cancelled, revised or delayed by up to 45 minutes.
Disruption is expected to continue until 20:30.
Elizabeth line customer advice:
You can use your ticket at no extra cost on Great Western Railway services between London Paddington and Reading.
Great Western Railway customer advice:
You can use your ticket at no extra cost on Elizabeth line services via any reasonable route
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.