| 1804 - 1875. | Pioneering. | ||
| 1875 - 1922. | Pre-Grouping. | ||
| 1923 - 1947. | The Big four - GWR, LMS, LNER and SR. | ![]() |
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| 1948 - 1956. | British Railways - Early Emblem. | ![]() | |
| 1957 - 1966. | British Railways - Late Crest. | ![]() |
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| 1967 - 1971. | British Railways - Blue Pre TOPS*. | ![]() |
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| 1971 - 1982. | British Railways - Blue TOPS*. |
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| 1982 - 1994. | British Railways - Sectorisation. | ![]() |
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| 1995 - to date. | Post Privatisation. |
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