What's the biggest innovation of the last 25 years on public transport in London? Is it the Elizabeth line, the contactless revolution, the Overground line naming, electric buses, new trains that are incoming on the Piccadilly line and DLR - or something else? What about the Night Tube?

Tim Dunn dives headfirst into the spectacular world of TfL innovation, from deep in the Elizabeth line tunnels and new stations, to a secret room underneath Tottenham Court Road tube station.

DJ and Radio 1 presenter Jaguar sits down with Tim for a chat about another major TfL innovation: The Night Tube - how it's changed London's nightlife, her own life, and made things better. Tim also meets the most qualified person in London to talk about contactless technology: Chief Technology Officer of Transport for London Shashi Verma, to discover a bit more about the magic of that system and how on earth it all works.

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Mind the Gap is the Official podcast of Tfl, created by TfL

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A special thanks to the TfL25 corporate sponsors of this special edition podcast, they are:

 A.J Wells, Alstom, Arriva, First Bus, Go Ahead London, Keolis Amey Docklands, Links Signs, Metroline, Siemens, Stagecoach, Stewart Signs and Transport UK