421 | Midland “Red” (BMMO & MROC) | ` | 1 | Service History page |
| N | 1 | Timetable (valid 1949–1951) | ||
| Midland Red West (First) | ` | 2 | Service History pages | |
| N | 4 | Timetables (valid 1989–2000) | ||
| D | 4 | Vehicle Photographs (taken 1998–2000) | ||
Wildcard Characters _ and % can be used.
For example, searching for Service 37% will show results for Service 37, 37A, 370, 371… etc.