Since the mid-1990s, the vehicle fleet has been renewed with the procurement of low-floor trams, so that the articulated trams of the 1960s and 1970s have been largely taken out of operations.
The older vehicles are still in use only on tram line 5.
The latest enhancements to the tram network are the tramlines on Brauerstraße (2000), to the European School (2000), to Wolfartsweier (2004) and to Nordstadt (2006).
In 2008, another depot was put into operation in Karlsruhe Oststadt.

On 3 March 2011, construction started on a line from Tullastraße via Schlachthofstraße and Ludwig-Erhard-Allee to Baumeisterstraße.
The 2.2 km long route with four new stops was opened after 18 months of construction on 8 September 2012 at a cost about €30 million.
It is served by an extension of tram line 6 from Karlsruhe Hauptbahnhof at ten-minute intervals.
Since the mid-1990s, the vehicle fleet has been renewed with the procurement of low-floor trams, so that the articulated trams of the 1960s and 1970s have been largely taken out of operations. The older vehicles are still in use only on tram line 5. The latest enhancements to the tram network are the tramlines on Brauerstraße (2000), to the European School (2000), to Wolfartsweier (2004) and to Nordstadt (2006). In 2008, another depot was put into operation in Karlsruhe Oststadt.
On 3 March 2011, construction started on a line from Tullastraße via Schlachthofstraße and Ludwig-Erhard-Allee to Baumeisterstraße. The 2.2 km long route with four new stops was opened after 18 months of construction on 8 September 2012 at a cost about €30 million. It is served by an extension of tram line 6 from Karlsruhe Hauptbahnhof at ten-minute intervals.
Trams in Karlsruhe