 To repair the damage inflicted by the World War II, it was closed from September to December 2003, and all the bullet holes were removed.Finally, on 20 February 2006, it was renamed to Frankfurter Tor.In future, there are plans for U1 to be extended to Frankfurter Tor, but because it duplicates the tram route M10, there is also a possibility of extending U1 to Ostkreuz after the refurbishment in 2015.