The lines that interweave across the famous map have been changed so the Circle, Overground, Central, Piccadilly and Victoria lines spell out ‘Google’ to mark the 150th anniversary of the Tube.

The anniversary is being marked by many events in London as well as a set of commemorative stamps that illustrate the Tube’s life from its steam origins in 1863 to the opening of the Canary Wharf station in 1999.

The London Underground was the first of its kind in the world, birthed in 1863 to keep London moving. The famous Underground logo was introduced in 1908 and has gone on to be one of the most instantly recognisable logos in the world.

In the 2011/2012 the tube carried a record 1.171 billion passengers, and each tube train travels an average of 114,5000 miles per year, and the network is made up of 280 stations.

Check out the videos below, via Channel 4 News, showing the Queen taking a ride on the newly opened Victoria Line in 1969, and Prince Charles at the opening of the Jubilee Line in 1979.

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London Underground Infographic

London Underground Infographic

Photo: Google

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Infographic via