Last updated:Today at 13:53
Train companies affected:South Western Railway
Last updated:Today at 13:41
Train companies affected:CrossCountry, LNER, Lumo, TransPennine Express
Last updated:Today at 10:32
Train companies affected:National Rail
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Last updated
01 Jul 2025 at 14:13
Train operators affected
London Overground between West Croydon and Highbury & Islington
Southern between Epsom and London Bridge, and also between Epsom Downs / West Croydon and London Victoria
Following a fault with the signalling system in the West Croydon area, services are returning to normal.
As service recovers, trains running to / from West Croydon may still be cancelled, revised, diverted or delayed by up to 20 minutes.
Disruption is expected until 15:00.
Southern services that run between Sutton and West Croydon can now run as normal again. We're working to return services to normal, however some alterations, cancellations and diversions may still be possible.
Please check before you travel, as you may still need to change trains en route or use an alternative route instead. If your planned train is affected then your journey will still take around 20 minutes longer than usual, so please allow extra time.
Tickets will be accepted for no extra cost on the following:
Southern services on any reasonable route including via Mitcham Junction
Thameslink services on any reasonable route including between Sutton and London Blackfriars, and between East Croydon and London Bridge
South Western Railway services between Epsom, Clapham Junction and London Waterloo
London Underground on any reasonable route including between London Terminals
London Buses between Sutton and West / East Croydon
London Trams between Mitcham Junction, West Croydon and East Croydon
Planning your journey:
Live departure boards can be found here, and you can view a live map of the network here.
You can also see an alternative route guide here.
If you're travelling in the London area, you can plan journeys on alternative routes by using the TfL Journey Planner here. You can also use the Southern app to find up-to-date information.
Can you tell me more about the incident?
This part of the network uses track circuits to detect trains. If a circuit fails, the system may think a train is still there, blocking others from moving forward.
Drivers must stop at red signals and get verbal permission to proceed at a reduced speed, which can cause significant delays, especially in areas with long track sections.
Faults can be caused by electronic issues or track obstructions. Network Rail teams have attended and rectified the issue.
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.