Lines reopened: disruption between Moorgate and Finsbury Park expected until 11:00
Service alteration details
Incident reported: Wednesday 17 June 2026 at 09:02
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Last updated
Wednesday 17 June 2026 at 09:58
Train operators affected
Route(s) affected
Between Moorgate and Welwyn Garden City / Hertford North / Stevenage
Description
Lines have reopened following a fault on a train at Old Street. Trains running between Moorgate and Finsbury Park may still be cancelled, delayed by up to 30 minutes or revised.
Disruption is expected until 11:00.
Customer advice:
You can use your planned route to travel, however trains have been delayed by at least 30 minutes so it is recommended leaving extra time to complete your journey.
Tickets are being accepted at no extra cost on:
Alternative Thameslink and Great Northern services between London and Peterborough / Cambridge
London Buses between Moorgate and Finsbury Park
London Underground services between London St Pancras International, Moorgate and Finsbury Park
Planning your journey:
You can see the live departure boards, and view a live map of the network.
You can also view an alternative route guide.
Great Northern's app will also help you plan your journey.
Can you tell me more about the incident?
We've had a report of a fault on a train, and this is now causing delays to other services travelling through this area.
Normally, when a fault on a train occurs, train crew will gather details and report this to the Fleet teams. If possible, the defect will be fixed promptly, and trains will be on the way. The initial steps are designed to take around 10 minutes.
However, sometimes the fault cannot be fixed in this time frame. In this case, wherever possible, the train will be taken out of use and sent to a depot. This does take additional time, as the crew will need to make sure that everyone's managed to leave the train.
If this can't be done either, Great Northern will send a specialist engineers to site, known as "fitters". They are based in key locations around the network, 24 hours a day, and they are able to attend anywhere on Great Northern's routes. Once they are on site, train operators then monitor progress updates and ensure that the railway can be reopened promptly.
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.
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