| Number | Destination | Opened | Notes |
| 21 | Hafen -- Bahnhof | 19-- | Extended to Arbeiterkammer from Hauptahnhof in 2001 or 2002. Replaced in part by routes 45 and 46. 9 AU 2003 |
| 41 | Hessenplatz -- Neupeint -- Beintwiese | 19-- | Closed, Decision in 1998 to extend line to Beintwiese, due to reopen in SE 1999. |
| 43 | Hessenplatz -- St. Martin Stadtfriedhof | 19-- | |
| 45 | Froschberg -- Stiegbauemstrasse | 19-- | Replaces 21. 9 AU 2003 |
| 46 | 9 AU 2003 | Replaces 21. |
