Central line (London Underground) and Great Eastern Railway buildings east of , from when the line to Epping was a rural branch line. In terms of total passengers, the Central line is the busiest on the Underground. In 2011/12 over 260 million passenger journeys were recorded on the line. It currently operates the second-most frequent service on the network, with 34 trains per hour (tph) operating for half-an-hour in the westbound direction during the morning peak, and between 27 and 30 tph during the rest of the peak. This makes the Central line the busiest and most intensively-used railway line in the United Kingdom:
History of the London Underground appeared for the first time. On 1 July 1933, the London Passenger Transport Board (LPTB), was created as a public corporation and the Metropolitan, the UERL underground railways, tramway companies and bus operators were merged into one organisation. On the former Metropolitan Railway the Brill Branch closed in 1935, followed by the line from to Verney Junction in 1936. It was proposed to electrify to Amersham with additional tracks from Harrow to Rickmansworth and to extend the Bakerloo line to Stanmore to relieve the bottleneck on the Metropolitan from Baker Street to Finchley. Before any work was started on the