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