A fault with the signalling system at Thornaby means trains have to run at a reduced speed on all lines.
Services between Thornaby and Middlesbrough may be delayed by up to 25 minutes or revised.
This is expected until the end of the day.
Check before you travel:
You can check your journey using the National Rail Enquiries real-time Journey Planner
Twitter:
If you would like to follow this incident on Twitter, please use #Thornaby
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.
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