123 | Midland “Red” (BMMO & MROC) | N | 1 | Timetable (valid 1940) |
| Midland Red West (First) | N | 1 | Timetable (valid 2000–2002) | |
| MRW (West Midlands Area)* | N | 2 | Timetables (valid 1990–1995) | |
| D | 5 | Vehicle Photographs (taken 1994–1997) | ||
Birmingham, The Black Country, Wolverhampton and Solihull Local Services
Midland Red West and First Midland Red services operated in the West Midlands (Centro) area are listed separately to avoid confusion caused when route numbers were sometimes duplicated.
Wildcard Characters _ and % can be used.
For example, searching for Service 37% will show results for Service 37, 37A, 370, 371… etc.