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London Underground extends mobile coverage in its tunnels

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Northern Line train at South Wimbledon station, which now has mobile coverage (CC BY SA) CHRIS MCKENNA (THRYDUULF)-Wikimedia Commons. Image cropped.

Northern Line train at South Wimbledon station, which now has mobile coverage (CC BY SA) CHRIS MCKENNA (THRYDUULF)-Wikimedia Commons. Image cropped.

Transport for London (TfL) and Boldyn Networks have completed the installation of new equipment to provide high-speed mobile coverage on more sections of the London Underground network.

Users can now connect to 4G and 5G networks on the underground section of the Northern line between Balham and South Wimbledon, as well as at Kennington, Oval, Tooting Broadway and South Wimbledon stations. Coverage is also being extended on the Victoria line between Vauxhall and Pimlico.

These developments allow South London commuters to enjoy seamless connections from South Wimbledon to Stockwell, while work is underway to extend coverage to Morden and Kennington before the end of the summer.

For the first time, the Bank branch of the Northern line between Euston and Bank also receives coverage, with more operators joining in the coming weeks.

Updated map of London Underground areas with coverage. © TFL.
Updated map of London Underground areas with coverage. © TFL.

In the coming months, coverage will expand on the Jubilee line, starting at Swiss Cottage and connecting to Westminster. Key stations such as Green Park and King’s Cross St Pancras, and new sections of the Victoria line to Brixton, will also benefit from this rollout.

All four major operators (Three UK, EE, Vodafone and Virgin Media O2) are involved in the project, which includes future coverage on the DLR, Elizabeth line and the Windrush line.

This initiative will also enhance communication between TfL staff and facilitate the implementation of the new Emergency Services Network (ESN), enabling a more effective response in critical situations.

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