Charing Cross signalling fault

Rail delays spread across parts of southeast England on Tuesday, April 14, after a signalling fault near Northfleet disrupted Southeastern and Thameslink services linked to London Charing Cross. (nationalrail.co.uk) National Rail said the fault was reported at 3:22 p.m. and was expected to affect trains until 5:30 p.m. Routes hit included Southeastern services between London Charing Cross and Gillingham in Kent, London Victoria and Gravesend, and London Cannon Street and Rochester, plus Thameslink trains to Rainham in Kent. (nationalrail.co.uk) The immediate problem was a signal that was “switching rapidly between colours instead of showing a steady indication,” according to National Rail. That forced drivers to stop at the previous signal and get verbal authority from a signaller before moving on, adding time and cutting capacity between Dartford and Gravesend. (nationalrail.co.uk) That matters at Charing Cross because the station is one of Southeastern’s main London terminals for Kent routes, including direct services to Hastings and Dover Priory. Southeastern’s journey pages list 34 daily Charing Cross-to-Hastings services in normal operation, and Dover Priory appears among the station’s regular long-distance destinations. (southeasternrailway.co.uk 1) (southeasternrailway.co.uk 2) The disruption also landed on a day when Southeastern was already dealing with a separate power-supply failure between Sevenoaks and Orpington. On that route, the operator said trains could be delayed by up to 30 minutes, some Tunbridge Wells services would not run for the rest of the day, and London-Hastings trains would make extra stops at Hildenborough. (southeasternrailway.co.uk) Network Rail and Southeastern have been warning for months that the approaches to Charing Cross and the Lewisham area are vulnerable because old signalling and track can trigger wider delays. In January 2025, the rail alliance announced a £90 million re-signalling programme around Lewisham, saying more than a third of Southeastern trains pass through that corridor each day. (southeasternrailway.co.uk) The operator has also scheduled a 22-day closure of Charing Cross and Waterloo East from July 26 to August 16, 2026, for track replacement and bridge and drainage work. Southeastern said 1,800 metres of life-expired track on the approaches to Charing Cross, last replaced in the early 1990s, had caused “hundreds of hours” of delays in recent years. (southeasternrailway.co.uk) By late afternoon Tuesday, National Rail was still advising passengers to check journey planners before travel and keep tickets for possible Delay Repay claims. The fault was another reminder that a single failed signal on a busy London-Kent corridor can ripple from commuter stops in Dartford and Gravesend to longer-distance trains bound for the Kent coast and Hastings. (nationalrail.co.uk)