This article is about the defunct entity "British Railways", which later traded as "British Rail". The History of rail transport in Great Britain is covered in its own article. British Railways (BR), which later traded as British Rail, ran most of the British railway system from the nationalisation of the 'Big Four' British railway companies in 1948 until privatisation in stages from 1994 to 1997.This period of nationalisation saw massive changes in the railway network: steam traction was eliminated in favour of diesel and electric power, passengers replaced freight as the main source of business, and the network was severely rationalised.
See more at Wikipedia.org...