Published February 4, 2026 8:41am
Updated February 4, 2026 9:39am
Southern, Thameslink and Gatwick Express services are all facing major disruption after a train derailed.
The three train operators have issued ‘do not travel’ warnings, with cancellations and delays of up to an hour expected until the end of the day.
Have you been affected? Get in touch at [email protected]
The train derailed this morning near Selhurst Depot, blocking the lines towards Norwood Junction and London Bridge.
No one has been injured.
⚠️We’re responding to a suspected derailment involving a train near Selhurst Depot, which is blocking the lines towards Norwood Junction and London Bridge❌This is causing disruption to services in the area????There are no confirmed injuries at this time. Our teams are on site… pic.twitter.com/GIU0h0XF4j
— Network Rail Kent & Sussex (@NetworkRailSE) February 4, 2026
A fault with the signalling system between Norwood Junction and London Blackfriars is also behind today’s delays.
National Rail added that the London Overground has been impacted, with delays between Highbury & Islington and West Croydon expected until the end of the day.
Impacted Southern services include:
- Epsom to London Bridge services suspended
- Tattenham Corner/Caterham to London Bridge services diverted via an alternative route
- Uckfield to London Bridge – a reduced service
Thameslink said the following services are suspended:
- London Bridge to East Grinstead
- Brighton to Cambridge
- Bedford to Three Bridges
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