| Era | As published by Bachmann Industries |
|---|---|
| Era 1. | 1804-1875 Pioneering |
| Era 2. | 1875-1922 Pre-Grouping |
| Era 3. | 1923-1947 The Big Four – LMS, GWR, LNER & SR |
| Era 4. | 1948-1956 BR Steam Era (Early Crest) |
| Era 5. | 1957-1966 BR (Late Crest) |
| Era 6. | 1967-1971 BR Corporate Pre-TOPS |
| Era 7. | 1971-1982 BR Corporate Blue Post-TOPS |
| Era 8. | 1982-1994 BR Sectorisation |
| Era 9. | 1995 onwards Post Privatisation |