London's Tube: First subway in the world celebrates 150th birthday

01/10/2013 | Yahoo · Telegraph (London) (tiered subscription model), The · BBC

London's 249-mile subway system, dubbed the Tube, which carries 1.2 billion passenger journeys per year, turned 150 years old. Take a look at a list of interesting statistics about the London Underground, including the fact that only 45% of it is actually in tunnels.

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Yahoo · Telegraph (London) (tiered subscription model), The · BBC

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