U-Bahnlinie 12

The U12 is a temporary U-Bahn line in Berlin consisting of the section of the U1 between Warschauer Straße and Wittenbergplatz and the U2 between Wittenbergplatz and Ruhleben. It will run until March 19, 2007 during construction work on the U2.

The U12 previously existed between 1993 until December 2004 as a night line.