U1 (Berlin U-Bahn)

U1 (Berlin U-Bahn)

U1 is a line on the Berlin U-Bahn, which is 8.8 km long and has 13 stations. Its traditional line designation was BII. It runs east-west and its eastern end is immediately south of the route of the historical Schlesischen Bahn (an extension of the Berlin Stadtbahn) at the Warschauer Straße S-Bahn station and runs through Kreuzberg, Wittenbergplatz on to the Kurfürstendamm.

While the main section between Wittenbergplatz and Schlesisches Tor has been designated as line 1 since 1966, the western end of the line has changed twice. The eastern section of the line is the oldest part of the Berlin U-Bahn, although it is largely above ground.