Changes

|genre=History

|summary=Soon after the end of the First World War, the British railways entered what is generally regarded as their golden age, with the heyday of the ‘Big Four’ companies, the LNER (London and North Eastern), LMS (London, Midlands and Scottish), GWR (Great Western) and Southern Railways. By 1939 they were beginning to lose their virtual monopoly of land-based transport to lorries, buses and coaches. Nevertheless, as war became increasingly inevitable, they played a vital part in the preparation to keep the country moving, keeping industry and the war effort supplied, helping in the evacuation of Dunkirk, or as their press office put it in a pamphlet of 1943, 'tackling the biggest job in transport history'.

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