In the bustling heart of London, beneath the city's streets, a silent revolution is taking place. Transport for London (TfL) is undertaking an ambitious project to bring mobile coverage to the London Underground, transforming the way commuters stay connected. In a recent episode of the Rail Technology Magazine Podcast, host Peter Johnson sat down with Matt Griffin, Head of Commercial Telecoms at TfL, to delve into the intricacies of this monumental task.

The journey to bring mobile coverage to the tube began back in 2017 with initial tests on the Waterloo and City line. By March 2020, the eastern half of the Jubilee line boasted the first permanent mobile coverage. Fast forward to today, and the project is more than halfway complete, with about a third of the infrastructure already live. Matt, who has been at the helm since the early days, shares insights into the timeline and the progress made so far.

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