The big four was a nickname for the LMS, LNER, GWR; SR. They were the amalgamation of over 120 railways in the UK from 1830-1922 when in 1923 these four (The Big Four) were born and 25 years British Railways and then in 1997 Privatisation.This pack will include the main expresses of the companies. Steam Locomotives Let's start with the biggest company to the smallest. LMS LMS Stanier Coronation Class 'Duchess' "Duchess of Sutherland" Birmingham Cross City/Midland Main Line/ECML (I'm stuck on what routes she could go on) LNER LNER A4 "Sir Nigel Gresley" ECML/ScotsRail Express/Midland Main Line GWR GWR King Class 'King George V' Great Western Express/West Cornwall Local/Brighton Mainline Southern SR Builleid Pacifics (Merchant Navy, West Country; Battle of Britain) 'Original and Rebuilt' (Clan Line, Tangmere; Braunton) SEHSE/East Coastway