How Much of the Tube is Actually Underground?
It's the sort of thing that turns up in quizzes and that I get asked a lot ... how much of the London Underground is actually underground? Turns out, there's not a straightforward answer as it depends on how you define a station as being 'Underground' ... let's discuss! Geoff's Actual Underground Map: http://www.geofftech.co.uk/downloads/... TfL's Tube Map Showing Tunnels: http://content.tfl.gov.uk/tube-map-wi... The Section 12 Fire Regulations Map: https://www.whatdotheyknow.com/reques...

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The Tube Map nearly looked very different

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Something is jamming GPS over Europe. Here's what we found

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London Underground History

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Northern Line Bank Platform Closure

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They Knew 432 Park Avenue Would Crack Before They Built It

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The London 2050 Tube Map

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The Most Out of Station Interchanges In One Journey

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The Battle Over London's $80 Billion Airport

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Secrets of the Hainault Shuttle

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How The Tube Map Got Its Travelcard Zones

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Secrets of the Overground (Pt.1)

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Why does London have 32 boroughs?

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