A problem that is currently under investigation between Alexandra Palace and Potters Bar means some lines towards Welwyn Garden City are currently blocked.
Trains between these stations may be revised to not call at stations between Alexandra Palace and Potters Bar or delayed. Disruption is expected until 17:00.
Check before you travel:
You can check your journey using the National Rail Enquiries real-time Journey Planner
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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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