What Is the Oldest Subway System In the World and What Is the Longest Subway System?

London’s Underground, which opened in 1863, is not only the oldest subway system in the world, but the longest as well, with 244 miles of track.

Despite the name, about 55% of the subway network is above ground.

More than one billion passenger journeys were recorded in 2007, and the tube map, with its schematic and colour-coded layout, is considered a design classic.

The busiest station in the London Underground network is Victoria station, which serves about 78 million passengers a year.

For route maps and more history and facts about London’s subway, see http://www.tfl.gov.uk

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