South Bermondsey

Why Christmas Was Critical for the South East Railway: The Upgrades Driving Future Reliability

A wide-ranging programme of track, power and station upgrades has been successfully delivered across Kent, Sussex, parts of Surrey and south London following an intensive 12-day Christmas engineering possession.

Network Rail engineers took advantage of the quieter festive period to complete a substantial package of renewals and enhancements designed to improve the reliability, safety and resilience of one of the country’s busiest rail corridors.

Critical maintenance and refurbishment work was carried out at major operational pinch points, including switches and crossings at Ashford, Gatwick, Three Bridges, Elephant and Castle, Wadhurst and Lee. These highly complex assets, which allow trains to move between tracks, experience some of the heaviest wear on the network and require regular intervention to maintain safe and dependable operation.

In central London, works between Cannon Street and London Bridge saw wooden sleepers replaced and track re-aligned on bridges and viaducts. With hundreds of passenger and freight services — some weighing up to 1,000 tonnes — using the route each day, targeted renewals remain essential to sustain performance for Southeastern, Southern, Thameslink and Gatwick Express services.

Significant progress was also made on power supply upgrades at London Bridge, Cannon Street and the Loughborough Junction area. As train fleets continue to become longer and heavier, Network Rail is investing heavily to strengthen electrical infrastructure. Over the coming years, around 150km of conductor rail will be replaced, alongside 92km of high-voltage cable. These upgrades are aimed at preventing voltage drops that can lead to stalled trains, signal failures and widespread disruption.

Further south, passengers and colleagues at South Bermondsey station will benefit from a complete rebuild of the platforms. The project has delivered new steel platform frames, improved drainage, enhanced lighting and a modern non-slip surface — all combining to improve safety and the overall passenger experience.

Elsewhere, engineers continued work on the major signalling upgrade at Lewisham, keeping the project on track ahead of the final commissioning of a new state-of-the-art signalling system scheduled to go live in south-east London next Christmas. Once complete, the upgrade is expected to deliver significant reliability and capacity benefits across the route.

Reflecting on the programme, David Davidson, Chief Operating Officer for the South Eastern Railway, said:

“Thank you to passengers for managing journey changes over the festive period, and thanks also to all colleagues who worked over the Christmas and the New Year period.”

“We know there is never a good time to close the railway – with passenger numbers lowest at this time of year, fewer peoples’ journeys were disrupted.”

Image credit: Network Rail

148

RTM Issue 148

Keeping the North's flagship rail upgrade on track and on budget

Focusing on the latest developments, innovations, and policy impacts in the UK rail industry, with a particular emphasis on sustainability, infrastructure upgrades, and future technological advancements.

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