All 8 Stadler Variobahn trams have been taken out of service due to constructional obsolescence.
01.12.2017
Changes on tram routes. Now routes 8 south-east terminal is "Doku-Zentrum", route 9 is cancelled and there is a new route 7 — "Hauptbahnhof" — "Tristanstraße".
22.05.2017
The U3 extension opens between Friedrich-Ebert-Platz and Nordwestring.
11.12.2016
The Line 4 extension opens between Thon and Am Wegfeld.