UK: Two 125-tonne cranes will recover three derailed Southern carriages as the Lewes–Haywards Heath railway in East Sussex remains closed until at least Aug. 26.

Derailed Southern train carriages near Lewes in East Sussex
Derailed Southern carriages at the recovery site near Lewes. Photo: Network Rail.

Three rear carriages of an eight-car Southern service from London Victoria to Eastbourne left the tracks near Lewes Tunnel on Aug. 13 and slid part-way down an embankment. According to the South East Coast Ambulance Service, 18 patients were taken to hospital, including two with serious injuries. The Rail Accident Investigation Branch completed its on-site work on Aug. 15 and handed the location back to Network Rail by Aug. 16, although its investigation into the cause continues.

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Why the recovery needs two 125-tonne cranes

The railway at the derailment site lies within a Site of Special Scientific Interest, close to a river, while road access is restricted through a residential area. Because of those constraints, Network Rail is bringing as much specialist equipment as possible to the site by rail. Two 125-tonne rail-mounted cranes — among the largest available for use on Britain’s railway — will lift the derailed carriages away. Before lifting begins, engineers must confirm that the ground and track can support both the cranes and the weight of the carriages. “This is a complex recovery operation in a very difficult location, and our teams are working hard to recover the carriages and repair the railway, to resume services safely as soon as we can,” said Lucy McAuliffe, Network Rail’s Sussex Route Director. Rail replacement buses are running between Lewes and Haywards Heath via Cooksbridge and Plumpton, though with limited capacity; passengers making other journeys are advised to travel via Brighton instead.

What to watch

The line will remain closed until at least Aug. 26, but Network Rail has not confirmed that services will resume immediately after that date. Engineers must first remove the three carriages and assess the full extent of the track and infrastructure damage. Also worth tracking are RAIB’s first official findings on the cause of the derailment; its investigation continues, but no publication date has been announced.

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