Tierpark (Berlin U-Bahn) by 1 July 1989, just a few months before the fall of the Berlin Wall. When the Berlin Wall fell, the line was subsequently renumbered to U5 in 1 July 1990. Tierpark (Berlin U-Bahn) Tierpark is a Berlin U-Bahn station located on the . It is named after the Tierpark Berlin, one of the two zoological gardens in Berlin. Prior to the opening of the station, the line was intended to go to Karlshorst in the early 1950s/60s plans. Construction of the station began on 19 September 1969. This station was opened in 1973. It was the one and only
Berlin-Spandau station was expected to lead to the reopening of the line to Staaken via a new S-Bahn station called "Rathaus Spandau" (rather than Spandau West). However, this was postponed, as U-Bahn line U7 was completed to Rathaus Spandau (located next to Spandau West station) on 1 October 1984. The initial plans for the Hanover–Berlin high-speed railway were developed during the same decade. Negotiations with East Germany for what was initially intended as a transit route between West Germany and West Berlin began in autumn 1988. The fall of the Berlin Wall and the completion of negotiations with an agreement on the