Bakerloo Line 1972 Stock

London Underground Bakerloo Line 1972 Stock

London Underground Bakerloo Line 1972 Stock


Built: 1972 – 1974    |    Manufacturer: Metro-Cammell, Birmingham    |    Entered Service: 1972 – 1975 (Northern Line)
Refurbished: 1991 – 1995    |    Number in Service:  36    |    Number of Carriages per Train: 7     |    Seats per Train: 268
Passenger Capacity: 968 (approx.)

Train Formation:  Driving Motor – Trailer – Trailer – Driving Motor  + Uncoupling Non Driving Motor – Trailer – Driving Motor
Train Length: 367ft 9in    |    Train Width: 8ft 8ins    |    Train Height: 9ft 5.25ins    |    Train Weight: 164.2 tonnes


History

Following the decision in the early 1970s to replace the life-expire 1938 stock on the Bakerloo & Northern lines, designs were produced for a new Northern Line fleet. However, the plans were shelved in favour of a new train fleet for the Piccadilly Line following the decision to build an extension to Heathrow Airport. THis plan led to the existing fleet of 1959 stock on the Piccadilly Line being readied for transfer to the Northern Line to replace the 1938 stock, although there were not sufficient units to cover the diagrams required and therefore 30 trains of MkI 1972 stock were ordered.

Due to the speed of the order, a new design was not possible, so the units were based on the 1967 stock in use on the Victoria Line. The main differences were the addition of the guard and door controls in the rear unit and the non-compatibility with 1967 stock. A further 33 1972 MkII units were also ordered for the new Jubilee Line which were built with slightly different interiors and externally, the passenger doors were painted red, with an LT roundel in place of the usual London Transport lettering.

In 1984, following the introduction of new stock on the Jubilee Line, the MkII 1972 stock was transferred to the Northern Line, then subsequently to the Bakerloo Line, where they remain in service, althought the MkI units remained on the Northern Line where they were replaced in 1999 by 1995 Stock.


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