A trespass incident in the Tile Hill area means that some lines are blocked, and on some lines trains have to run at a reduced speed.
Services between Coventry and Birmingham New Street may be cancelled, delayed by up to 15 minutes or revised.
Disruption is expected until 12:15.
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.