Filter by Era Era 3 The Big Four - LMS GWR LNER & SR:1923-1947 1923-1947 Era 4 BR steam Early Crest:1948-1956 1948-1956 Era 5 BR steam Late Crest:1957-1966 1957-1966 Era 8 BR Sectorisation:1983-1994 1983-1994