Severe Disruption on South-East England Rail Network Following Train Derailment

On February 3, 2026, the Govia Thameslink Railway (GTR), which operates Southern, Thameslink, and Gatwick Express services, issued a "do not travel" alert due to significant disruptions caused by a train derailment at Selhurst depot and a signalling fault affecting routes between London Blackfriars and Norwood Junction. Although the alert was lifted by 10 a.m., service disruptions continued throughout the day, with passengers warned of potential cancellations and delays of up to one hour.

Severe Rail Disruption Continues After Train Derailment And Signal FailureSouth-east England ‘do not travel’ rail alert lifted but disruption continuesRail disruption in the South East continuesSmall amount of PG&E customers remain without power as cleanup of train derailment continues

The derailment involved a Southern train that remained upright but blocked access to the depot, affecting over 130 trains and leading to widespread service cancellations and delays across the network. The signalling fault further complicated the situation, reducing the number of operational lines and requiring trains to operate at slower speeds. Key routes impacted included those between London Bridge and East Grinstead, Orpington and Luton, and Brighton and Cambridge. Passengers were advised to check for updates on travel conditions as services were subject to last-minute changes.

South-east England ‘do not travel’ rail alert lifted but disruption continuesSevere Rail Disruption Continues After Train Derailment And Signal FailureRail disruption in the South East continuesSmall amount of PG&E customers remain without power as cleanup of train derailment continues

In addition to the issues faced by GTR, other rail operators across the UK experienced disruptions. A signalling fault between Crewe and Sandbach affected services operated by Avanti West Coast, CrossCountry, Northern, and Transport for Wales, while South Western Railway services between Portsmouth & Southsea and Portsmouth Harbour were also impacted. This indicates a broader problem within the rail network, exacerbating the challenges faced by commuters.

South-east England ‘do not travel’ rail alert lifted but disruption continuesRail disruption in the South East continuesSevere Rail Disruption Continues After Train Derailment And Signal FailureSmall amount of PG&E customers remain without power as cleanup of train derailment continues

A GTR spokesperson expressed regret for the disruption, stating, “We’re very sorry for the disruption that customers have experienced this morning. A fault with the signalling system... along with a train derailment... are causing the disruption.” The spokesperson emphasized that efforts were underway to resolve the issues promptly. Engineering director Steve Lammin confirmed that a full investigation into the derailment is ongoing.

Severe Rail Disruption Continues After Train Derailment And Signal Failure

Passengers expressed frustration over the service disruptions, particularly those commuting for work or important appointments. The rail operators have been criticized for the lack of timely updates and the inconvenience caused by the cascading effects of the incidents. Commuters were urged to consider alternative travel arrangements or delay non-essential journeys until services stabilize.

Rail disruption in the South East continues

As investigations continue into the derailment and signalling issues, GTR and Network Rail are working to restore normal service levels. Passengers are encouraged to remain vigilant for updates and to plan their journeys accordingly as the situation evolves.

South-east England ‘do not travel’ rail alert lifted but disruption continues

• “A GTR spokesperson said: “We’re very sorry for the disruption that customers have experienced this morning.” — GTR Spokesperson

South-east England ‘do not travel’ rail alert lifted but disruption continues

• “A signalling fault between Norwood Junction and London Bridge, along with a derailment at Selhurst depot, are causing significant issues.” — GTR Spokesperson

Severe Rail Disruption Continues After Train Derailment And Signal Failure

• “They say safety remains the top priority and that repairs and investigations are being carried out as quickly as possible.” — GTR Spokesperson

Rail disruption in the South East continues