Filter by Era Era 3 The Big Four - LMS GWR LNER & SR:1923-1947 1923-1947 Ire rail era 3. 1st gen diesels (Metropolitan-Vickers A & C then B's in late 50's) & total elimination of steam in 1963:1955-1963 1955-1963 Era 5 BR steam Late Crest:1957-1966 1957-1966 Bus 5. Atlantean VR:1959-1971 1959-1971 Era 7 BR Corporate Blue Post-TOPS:1972-1982 1972-1982 Bus 6. Rear engined singled deck buses Panther Swift National. Also Metrobus Titan:1972-1985 1972-1985 Bus 9. Lower CO2 emission buses - Dennis Enviro:2006-present day 2006-2099 Show All