423 | Midland “Red” (BMMO & MROC) | N | 2 | Timetables (valid 1949–1973) |
| D | 1 | Vehicle Photograph (taken 1959) | ||
| Midland Red West (First) | N | 3 | Timetables (valid 1989–1996) | |
| D | 2 | Vehicle Photographs (taken 2010–2011) | ||
Wildcard Characters _ and % can be used.
For example, searching for Service 37% will show results for Service 37, 37A, 370, 371… etc.