Alstom Unveils New Signalling System to Improve South London Rail Reliability

In the early hours of November 2, Alstom unveils new signalling system at Tulse Hill, improving reliability across South London rail lines and enhancing passenger experience. This was reported by the railway transport news portal Railway Supply.

New Signalling System to Boost Rail Reliability

Alstom unveils new signalling system across Tulse Hill, Peckham Rye, and Crystal Palace to improve reliability for Southern, Thameslink, and London Overground passengers, as well as for freight services. This upgrade replaces decades-old equipment, representing a significant improvement in service quality.

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Peter Mills, Alstom’s Victoria Phase 4 Project Director, shared his pride, saying, “I’m incredibly proud to lead this dedicated team to achieve such a significant milestone. I extend my thanks to all involved in this project.” Mills noted this accomplishment sets the foundation for Victoria Phase 5, where additional Alstom hardware will strengthen its role as a key partner in the Southern Region through Control Periods 7 and 8.

Enhanced Digital Interlocking for South London Rail Network

As part of the project, engineers installed 23 kilometers of advanced signalling, power supply, and telecom cables, 61 signals, upgraded power systems, and removed outdated equipment for recycling. This modernization is crucial for delivering delay-free passenger journeys, and Alstom expresses its gratitude to its teams and affected passengers for their patience.

Lucy McAuliffe, Sussex Route Director at Network Rail, emphasized the importance of these upgrades, stating: “Signalling enhancements between East Croydon and London Victoria in 2022 reduced delays by more than half, and we anticipate similar benefits here. Our aim is to improve reliability and performance on this vital railway segment.”

The Tulse Hill system employs digital interlocking technology, authorizing train movement and ensuring safety by managing points, signals, and level crossings. Control data is digitally transmitted, enabling greater distance control, enhanced capacity, and faster processing speed while minimizing physical cabling. This system also supports data-driven, digital analysis-driven maintenance.

Alstom’s D&IS team is instrumental in delivering rail control systems and infrastructure for key UK projects, including Crossrail signalling, East West Rail Connection, and ETCS implementation on the Great Western Main Line and High Speed 1.

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