Wikipedia:Today's featured article/January 10, 2013

The Metropolitan Railway, the world's first underground line, was opened to the public on 10 January 1863. It connected the mainline railway termini at Paddington, Euston and King's Cross to London's financial heart in the City using gas-lit wooden carriages hauled by steam locomotives. The railway was soon extended and completed the Inner Circle in 1884, but the most important route became the line to Verney Junction in Buckinghamshire, more than 50 miles (80 km) from London. Electric traction was introduced in 1905 and by 1907 electric multiple units operated most of the services. The Railway developed land for housing and after World War I promoted housing estates near the railway with the "Metro-land" brand. On 1 July 1933, the Metropolitan Railway was amalgamated with the railways of the Underground Electric Railways Company of London and the capital's tramway and bus operators to form the London Passenger Transport Board.

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