History of the Berlin U-Bahn

U-Bahn development 1902–2009

The history of the Berlin U-Bahn took its origins in 1880 with an excitation of the entrepreneur Werner Siemens in Berlin to build a high and subway. In the nine years after the founding of the German Empire, the inhabitants of Berlin had risen by over a third, causing increasing traffic problems. Beginning in 1896 then began Siemens & Halske with the construction of the first stretch as overhead railway. On 1 April 1897, the Company has been established for electric elevated and underground railways in Berlin (overhead railway company), which took over the further construction and operation and 1929 went up in the Berlin transport company. The 1938 in BVG renamed company was operating the city of Berlin. The BVG is since 1994 a public institution.

As the first line of the overhead railway company on 18 February, opened in 1902, the route between Stralauer Thor and Potsdamer Platz (today largely U1). Already on 15 February was the "Minister ride" preceded by the wayside in passenger traffic of the Zoological Garden was reached but only from 11 March. Until 1913 four additional routes have been executed before the First World War and the following in the Weimar Republic hyperinflation initially prevented the further expansion. Only in 1923 again a new metro line was inaugurated that had wider car with the so-called Great Profile. In the "Golden Twenties" and the early 1930s, then new routes of this type have been handed over to the driving operation, even in small profile, there were new openings.

In the era of National Socialism, no further stations were built. The Second World War taught the power of the Berlin U-Bahn major damage to: the Allied air raids destroyed many stations and towards the end of the Battle of Berlin in early May 1945 with the demolition of the north-south tunnel the train next to this also wide sections of the subway flooded. The reconstruction of the existing network before the war was finished only in 1950.

Construction of the Berlin Wall in August 1961 brought new restrictions: the two metro lines C (1966: U6) and D (U8) drove from now on without stopping through the turned-ghost stations Stations of the East Berlin tunnels – the exception was of the border crossing developed Friedrichstraße station (see also: Tränenpalast). The stations Warschauer Straße and Potsdamer Platz were decommissioned. While the metro construction progressed on West Berlin territory by the S-Bahn-boycott continued, there was in East Berlin a quasi-freeze. Only the Tierpark station (line E) is newly opened in 1973. From 1985 to 1989 the line E (today: U5) overground extended from Tierpark to Hönow.

Only two days after the Wall was reopened as a border crossing point on 11 November 1989, the first former ghost station Jannowitzbrücke. On 22 December, the station Rosenthaler Platz followed, on 12 April the only accessible from West Berlin station Bernauer Strasse, all located on the U8. On 1 July 1990, all other former ghost stations of the subway were finally reopened. With the merging of the networks, U2 was reopened in 1993, since 1995 drives the U1 again from Kreuzberg via the Oberbaumbrücke to Friedrichshain on Warschauer Straße station. After that, only the located on the U2 Station Mendelssohn-Bartholdy-Park (October 1998) and were the short portion of Vinetastraße to Pankow (September 2000) reopened. Because of the tight budgetary situation of Berlin since stagnated further expansion.

The construction of the Berlin U-Bahn occurred in three major phases:

  1. Up to 1913 – the construction of the Kleinprofil (small profile) network in Berlin, Charlottenburg, Schöneberg, and Wilmersdorf;
  2. Up to 1930 – the introduction of the Großprofil (large profile) network that established the first North-South lines;
  3. From 1953 on – further development after World War II.

Phase 1

Initial lines

1902 Stammstrecke route
Train outside Schlesisches Tor
Train at Spittelmarkt in 1908

At the end of the 19th century, city planners in Berlin were looking for solutions to the increasing traffic problems facing the city. As potential solutions, industrialist and inventor Werner von Siemens suggested the construction of elevated railways, while AEG proposed an underground system. Berlin city administrators feared that an underground would damage the sewers, favouring an elevated railway following the path of the former city walls; however, the neighbouring city of Charlottenburg did not share Berlin's fears, and disliked the idea of an elevated railway running along Tauentzienstraße. Years of negotiations followed until, on 10 September 1896, work began on a mostly elevated railway to run between Stralauer Tor and Zoologischer Garten, with a short spur to Potsdamer Platz. Known as the "Stammstrecke", the route was inaugurated on 15 February 1902, to immediate popularity. Before the year ended, the railway had been extended: by 17 August, east to Warschauer Brücke (Warschauer Straße); and, by 14 December, west to Knie (Ernst-Reuter-Platz). Construction for the Charlottenburg section began on 1 January 1900.

In 1902, the train lines do consists as follows:

Charlottenburg Extension

After the opening of the original route further plans to extend the three route branches emerged: on Charlottenburg city to Wilhelmplatz (today's Richard-Wagner-Platz) and in the direction Reichskanzlerplatz (today: Theodor-Heuss Platz),[1] from Potsdamer Platz, starting in the center of Berlin and by the Warsaw road to Frankfurter Tor[2] The fastest way negotiations with the young and coming city Charlottenburg completed because there was a lot of vacant land that could be developed. The most important negotiating point was to build a path for Rathaus Charlottenburg am Wilhelmsplatz. Here the extension along the Berliner Straße (today's Otto-Suhr-Allee) would have offered, but there was driving at the time the Berlin-Charlottenburg tram and a parallel traffic did not seem sensible. Therefore, should this route under the Bismarckstraße further extend towards the west and then in an arc to the town hall. Under the working title Krumme Straße the stations were initially Bismarckstraße (today: Deutsche Oper) and on the railhead Wilhelmplatz planned. May 1906. The opening of the line between Knie and Wilhelmplatz took place on 14th. Both metro lines now drove to Bismarckstraße, but only the branch to Potsdamer Platz traversed line also drove up to the Wilhelmsplatz.

While this route was under construction, the overhead railway company and the city of Charlottenburg on a direction facing Berlin-Westend agreed. Therefore, a plan amendment was necessary at the planned station Bismarckstraße, because here the line Westend should branch. Therefore, the station was built the first four-track metro station Germany. Of the two inner tracks the route to Wilhelmsplatz should go from the outer to Westend. This created an unusual situation: Although the short section was planned to the Charlottenburg city hall as the main route, it has now been the route to Westend.

Since the western Charlottenburg area was still completely undeveloped, the route could provide no gains in their early years. Therefore, the overhead railway company was negotiating with the city Charlottenburg and the other property owners in order to compensate the deficit path. This contract was signed and completed on 23 June 1906.

For the route westwards along Charlottenburg, the following stations were to be built:

On 16 March 1908 the sailed Emperor Wilhelm II, opened the line, In reference to the "Minister ride", the first time this route. It was officially inaugurated on 29 March 1908. The two existing lines went no further until Reichskanzlerplatz; Rather, a third line was opened, the wrong only between Bismarck Street and Reichskanzlerplatz.

At the opening of the Deutsches Stadion on 8 June 1913 was the stretch with the new terminus Stadion (Sportpark also included) and finished in the shell station Neu-Westend go into operation. The corresponding Grunewald workshop was completed in January 1913. Built for the power supply of the metro nearby power plant Unterspreewald on Wiesendamm in Ruhleben had already started operation in 1911.[3]

Because of the greatly expanded route length of the desire for a new workshop was created because the previous workshop in Rudolfstraße (or Warschauer Brücke) now no longer sufficed. Therefore, they sought a suitable site. Since the Prussian forest administration wanted to market their site of the Grunewald profitably, the interests of both partners met. Just bought the overhead railway company 14 hectares land to build their new operating workshop. At the same time, it undertook, a route extension to the stadium station (today: Olympia-Stadion) to build. For the overhead railway company got a grant from the Forestry Administration of 200,000 Mark. It should only take place operating and occasional services here, a regular service was not provided. Together with the extension to the stadium station is built on the track, the Neu-Westend in the shell with, because a traffic demand at that time was not yet.

Originally from Warschauer Brücke to Frankfurter Tor planned eastern extension of the main line was not realized. Built by the overhead railway company as a precursor and operated as a tram flat web from Warschauer Brücke to Central-Viehhof metro station was acquired in 1909 by the city and went on 1 January 1910 at the Trams in Berlin[4]

Eastern Extension along Spittelmarkt

In Berlin's city centre, Potsdamer Platz was disconnected — to be replaced by Leipziger Platz (Potsdamer Platz) — to allow an extension to the spur, construction began on 15 December 1905. The line underneath Leipziger Straße to Spittelmarkt opened in 1908.

The lines in 1908 do include:

It was extended to Alexanderplatz by July 1913, with the Wilhelmplatz–Alexanderplatz route swiftly becoming the most heavily traveled of the Berlin U-Bahn. Three-and-a-half weeks later, on 27 July 1913, the northern extension to the S-Bahn station (Schönhauser Allee), which was originally called Nordring was also opened. Construction also began in March 1910.

Schöneberg needs a U-Bahn

Main article: U4 (Berlin U-Bahn)

In a bid to secure its own improvement, Schöneberg also wanted a connection to Berlin. The elevated railway company did not believe such a line would be profitable, so the city took it upon itself to build the first locally financed underground in Germany. Running as a subsurface railway from Hauptstraße, the 2.9 km (1.8 mi) line needed a second, underground station at its Nollendorfplatz terminus, since the established station there was part of the elevated railway. Construction began on 8 December 1908. The line took two years to construct; it was opened on 1 December 1910.

U-Bahn towards Dahlem and Kurfürstendamm

In the summer of 1907, the elevated railway company of the new city of Wilmersdorf suggested the building of an underground line to the Wilmersdorf area. It suggested a line to Nürnberger Platz and, if Wilmersdorf would pay for it, to Breitenbachplatz. Since Wilmersdorf municipality had poor transport connections, the Wilmersdorf city fathers were pleased to take up this suggestion. The royal domain of Dahlem, which was south of Wilmersdorf and was still undeveloped, also supported a U-bahn connection and wanted it extended from Breitenbachplatz to Thielplatz.

However, the future line would run partly through the city of Charlottenburg, which saw the city of Wilmersdorf as a major competitor for the settlement of wealthy ratepayers. Long negotiations ensued, until finally in the summer 1910 a solution was found: an additional line would be built under the Kurfürstendamm to Uhlandstraße. Work began on these lines in the same summer.

Eastern entrance of Uhlandstraße U-Bahn station

The double-track Wittenbergplatz station, which only had two side platforms, had to be completely rebuilt. The new station required five platforms with a sixth prepared for development and an entrance hall. The cities of Wilmersdorf and Charlottenburg submitted many suggestions for its design. Finally the house architect of the elevated railway company, Alfred Grenander, was appointed to design the station on the recommendation of the royal police chief.

The additional line to Uhlandstraße branched at Wittenbergplatz and had no intervening stations, but it was intended to be extended to Halensee. Nevertheless, the only addition to the line has been the building in 1961 of the Kurfürstendamm interchange station with the U9. It is still planned to extend the line to the west and preparations were made for it in the building of Internationales Congress Centrum on Neuen Kantstraße. In addition provisions have been made for a U1 station under the U7 station at Adenauerplatz.

After a relatively short construction period the Kurfürstendamm line, as it was called, was opened together with the Dahlem line on 12 October 1913. The length of the additional lines totalled about 10 km. These were the last sections of the Berlin U-Bahn built before World War I.

The Dahlem line stations consists as follows:

The new Gleisdreieck

Gleisdreieck lower platform – today the U2 stops here

One of the most dangerous places of the entire U-Bahn network was found at the triangular rail junction at Gleisdreieck, which connected the main route between Warschauer Brücke and Zoologischer Garten with the branch line to Potsdamer Platz. This branch was protected only by signals, so that train-driver inattention could easily lead to a disaster, as happened on 26 September 1908. A U-Bahn train ran into the side of another train, forcing two carriages off the track. One carriage fell over the viaduct and 21 passengers died. As a result, it was decided to change the configuration at Gleisdreieck.

Construction began in May 1912 to replace the rail triangle with two lines built as a grade-separated cross with a new Gleisdreieck interchange station at the intersection. These lines now form part of U1 and U2. The new works were carried out largely with full services operating, although services were briefly interrupted on each line. On 3 November 1912 the new Gleisdreieck station was opened but construction was not completed until August 1913. The connecting track from the Pankow direction to the Warschauer Straße direction continued to operate until the completion of works for construction supply vehicles.

The K1 is therefore withdrawn, but K2 was shortened to Gleisdreieck. Each train is entitled to only one depot per line (Grunewald and Warschauer Brücke).

The final route in 1913 is as follows:

Phase 2

Nord-Süd Bahn

Main article: U6 (Berlin U-Bahn)
Ironwork on show: 1920s stations could not afford opulent decoration

The early network ran mostly east to west, connecting the richer areas in and around Berlin, as these routes had been deemed the most profitable. In order to open up the network to more of the workers of Berlin, the city wanted north-south lines to be established. Its wishes gained support when, in 1920, the surrounding areas were annexed to form Groß-Berlin ("Greater Berlin"), removing the need for many negotiations, and giving the city much greater bargaining power over the private Hochbahngesellschaft ("elevated railway company"). The city also mandated that new lines would use wider carriages—running on the same, 1,435 mm (4 ft 8 1⁄2 in) standard gauge track-to provide greater passenger capacity; these became known as the Großprofil ("large profile") network.

Construction of the Nord-Süd-Bahn ("North-South railway") connecting Wedding in the north to Tempelhof and Neukölln in the south had started in December 1912, but halted for the First World War. Work resumed in 1919, although the money shortage caused by hyperinflation slowed progress considerably. On 30 January 1923, the first section opened between Hallesches Tor and Stettiner Bahnhof (Naturkundemuseum), with a continuation to Seestraße following two months later.

Desperately underfunded, the new line had to use trains from the old Kleinprofil network; the carriages exits had to be widened to fill the gap to the platforms with wooden boards that passengers jokingly referred to as Blumenbretter ("boards for flower pots"). As it is the line G1 from 1923 to 1928, it was extended to The line branched at Belle-Alliance-Straße, now (Mehringdamm); the continuation south to Tempelhof opened on 22 December 1929, the branch to Grenzallee on 21 December 1930.

The stretch towards Neukölln is opened in various stages, among it is Line G1.

The other extension as a branch to Kreuzberg was opened on 14 February 1926 and whereas another extension to Tempelhof opened on 22 December 1929, which is called Line G2.

GN Line

Main article: U8 (Berlin U-Bahn)

In 1912, plans were approved for AEG to build its own north-south underground line, named the GN-Bahn after its termini, Gesundbrunnen and Neukölln, via Alexanderplatz. Financial difficulties stopped the construction in 1919; the liquidation of AEG-Schnellbahn-AG, and Berlin's commitment to the Nord-Süd-Bahn, prevented any further development until 1926.

The first section opened on 17 July 1927 between Boddinstraße and Schönleinstraße, with the intermediate Hermannplatz becoming the first station at which passengers could transfer between two different Großprofil lines. Sections to the north, which required the relocation of the Kottbusser Tor station, opened in stages. The line is called G3 until 1928, and it was renumbered to Line D at the point of time.

The completed route from Gesundbrunnen to Leinestraße — was opened on 18 April 1930.

The last small profile network opens

The small profile network was only slightly extended during the Weimar Republic. The new arrangement at Gleisdreieck was completed. The additional line created by the conversion of the three way junction to a cross at Gleisdreieck was extended under Kurfürstenstraße to Nollendorfplatz and was opened on 24 October 1926 together with the rebuilt Nollendorfplatz station. The basic fit-out of the Kurfürstenstraße station bears witness to the difficult financial times. As part of this work, the Nollendorfplatz station was completely rebuilt to incorporate the Schöneberg line (now U4), which had continued to be independently operated after its take over by the city of Berlin in 1920. The new Nollendorfplatz station has two underground platforms, one below the other and looking identical. The Schöneberg line ends on the higher level across the platform from trains coming from Wittenbergplatz. Trains run from the lower level to Schöneberg and Wittenbergplatz, also allowing cross-platform transfers. The elevated station of today's U2 remained completely unchanged. Its impressive dome was destroyed in World War II and a simplified dome was only re-established on the U-Bahn’s 100-year anniversary in 2002.

The routes K8 and K2 were merged to become K2 in 1926.

The southern extension to Dahlem

In the south of the Wilmersdorfer-Dahlem-Bahn it did not look favorable for an extension from. The track was highly deficient, from Breitenbachplatz even drove only a so-called "solo vehicle" (a wagon) until Thieplatz. The city of Berlin was reluctant very much opposed to take this route from the Dahlem Council or the Prussian Treasury. But in 1926 the situation improved considerably. The Prussian state wanted the route Berlin handed over free of charge and free of debt. At the same time offered the Sommerfeld Group, the great, still a farming areas had in the south of Berlin, free land and a construction cost assumption for an extension to Krumme Lanke. Thus, Berlin was in fact paid to three kilometers underground.

These three stations do include:

The section went on 22 December 1929 in operation. The still so named station Onkel Toms Hütte was given this by a lying near local. The Krumme Lanke station received a very businesslike entrance building, which is one of the late works of Alfred Grenander. The terminus of today's U3 is named after the nearby lake Krumme Lanke. An extension of the line to a station for Mexikoplatz is possible to link the subway to the Wannseebahn. The expected demand is however expected to be relatively low.

The U-Bahn under the Frankfurter Allee

Main article: U5 (Berlin U-Bahn)

Before control of the U-Bahn network was handed over completely to the BVG in 1929, the Hochbahngesellschaft started construction on a final line that, in contrast to its previous lines, was built as part of the Großprofil network. It was supposed to be a branch for the U2, which starts from Klosterstraße in 1908. The E line ran under Frankfurter Allee, for which the company had received the concession in 1914, between Alexanderplatz and Friedrichsfelde before the World War II.

The construction work proceeded since 1927 without delay or undue expense, and the first servicing station was established in the eastern part of the city; the line opened on 21 December 1930. The several stations do include:

End of the second expansion

In recent years, the Weimar Republic nor the Nord-Süd Bahn were extended and the line E was opened along Frankfurter Allee. The network reached a distance of 76 kilometers length. 1931 were transported 265.5 million passengers. During the Great Depression, the city lacked the money for the construction of other subway lines. In the 1930s, has been built primarily on the new underground north-south S-Bahn. In addition, have long been usual with bus and tram, assigned to the individual subway lines line designations. Previously, these routes were always named only after the plan name, for example "GN-Bahn" or "Nord-Süd Bahn". But already at the last opening more and more language problems, for example, "Wilmersdorfer-Dahlem-Bahn" revealed. In the late 1920s the names of letters and Roman numerals were finally introduced. These were made, however, by only gradually.

1931 Berlin U-Bahn routes
Kleinprofil network   Großprofil network
 AI  Pankow (Vinetastraße) – Ruhleben  CI  Seestraße – Grenzallee
 AII  Pankow (Vinetastraße) – Krumme Lanke  CII  Seestraße – Tempelhof
 AIII  Städtische Oper – Wilhelmplatz  D  Gesundbrunnen – Leinestraße
 BI  Warschauer Brücke – Hauptstraße  E  Alexanderplatz – Friedrichsfelde
 BII  Warschauer Brücke – Uhlandstraße  

National Socialism, the Second World War and Immediate Aftermath

Planned Lines
AI Pankow (Breite Straße) – Ruhleben
AII Alexanderplatz – Kleinmachnow
B Thaerstraße – Lichterfelde West
CI Otawistraße – Trabrennbahn Mariendorf
CII Ordensmeisterstraße – Herminpfad
D Christianiastraße (Osloer Straße) – Britz
E Beusselstraße – Treskowallee
FI Marzahn – Spandau-Johannisstift
FII Weißensee – Lankwitz
FIII Pichelsdorf – Kladow
G Lübars – Marienfelde
H Runder Platz – Buschkrug
R Ring Line

The seizure of power by the National Socialists brought many changes that affected Germany, including the U-Bahn. Most notably, the national flag was hung in every station, and two of the stations were renamed: Reichskanzlerplatz became Adolf-Hitler-Platz on 24 April 1933; and Schönhauser Tor became Horst-Wessel-Platz on 1 May 1934. Extensive plans—mostly the work of architect Albert Speer—were drawn up that included the construction of a circular line crossing the established U-Bahn lines, and new lines or extensions to many outlying districts. Despite such grand plans, no U-Bahn development occurred.

Germania Plans

The planned giant new imperial capital of Germany (planned name: "World Capital Germania ') should reach a population of ten million. This is also a significant expansion of the subway network was provided. Numerous subway lines should be built or extended. Most plans designed the new Generalbauinspektor Albert Speer. It was planned alongside the existing Berlin Ringbahn a Berliner "Circle Line". These should all then existing lines intersect and have about 30 stations. Also, there should be several lines after Spandau, Gatow, Kladow, Lichterfelde, Marienfelde, Weißensee, Karlshorst and Lankwitz give. Portions of this line realized the Senate later with the construction of U7.The metro construction rested but in 1930, because the construction of the new underground Nord-Süd Bahn and Olympiastadion was executed with priority. Only in the summer of 1938 found first construction work on Reichskanzlerplatz, on Reichstag and the Tempelhofer Damm instead. However, it did not come to an extension of the metro network.

World War II

Flooding of 1945. Green and Blue indicate flooded sections, and x the main breach under the Landwehr Canal

During the Second World War, U-Bahn travel soared as car use fell, and many of the underground stations were used as air-raid shelters; however, Allied bombs damaged or destroyed large parts of the U-Bahn system. Although the damage was usually repaired fairly quickly, the reconstructions became more difficult as the war went on. Eventually, on 25 April 1945, the whole system ground to a halt when the power station supplying the network failed.

There were substantial Berlin U-Bahn sections flooded in May 1945. A prominent cause was an intentional sabotage by the detonation of explosives in the Berlin Nord-Süd Tunnel beneath the Landwehr Canal on the morning of 2 May 1945.[5] By the end of the war, several sections were flooded:

There is controversy about the cause of the flooding, with some attributing it to a Nazi order, but insufficient evidence of this has been found and it has not been possible to say with certainty who carried out the sabotage and on whose orders. Similarly there has been controversy about how many people had lost their lives as a consequence. It is most likely that some the bodies found later in the tunnel were wounded soldiers who had been dead before the tunnel flooding, since the S-Bahn tunnel station under the Friedrichstrasse station was used in the last days of the war as an emergency military hospital, with trains used as hospital rooms.[6][7] It seems clear that some did die in the flooding, but the discrepancy between the number of bodies recovered and the number anticipated has given rise to conspiracy theories. Current research suggests probably less than 200 deaths were caused by the flooding [5][8][9]

Waters disgorged into one third of Berlin's Underground flooding 63 km of tunnels with 25 further stations.

Another but smaller leak in the tunnel ceiling under the Spree was either caused by German forces exploding the Ebertsbrücke street bridge crossing at the river at the same section, where the tunnel passes underneath, or some months later, after the end of fighting, by Soviet military engineers who created the hole in the process of clearing the Spree river of large concrete obstacles created by the bridge explosion.

Reconstruction of the Berlin U-Bahn

With the entry of the force of unconditional surrender of the Nazi Germany and the Soviet Union (with the Battle of Berlin fighting), there were 437 damaged points and 496 damaged vehicles. 144 hit on the underground, 33 on the above-ground lines. It is expected that there were total of about 400 victims in the Berlin subway.

The sections were quickly reopened from 14 May 1945, where most of them operates in their shuttles due to their damaged trains and the lack of crossovers:

The stations that are still closed include Hausvogteiplatz, Kaiserhof, Nollendorfplatz (elevated), Hallesches Tor and Osthafen.

Phase 3

The split of the BVG: 1945-1961

U-Bahn and S-Bahn network in East Berlin, 1984

The war had damaged or destroyed much of the network; however, 69.5 km (43.2 mi) of track and 93 stations were in use by the end of 1945, and the reconstruction was completed in 1950. Nevertheless, the consequent division of Berlin into East and West sectors brought further changes to the U-Bahn. Although the network spanned all sectors, and residents had freedom of movement, West Berliners increasingly avoided the Soviet sector and, from 1953, loudspeakers on the trains gave warnings when approaching the border, where passage of East Germans into the Western sectors also became subject to restrictions imposed by their government. There was a general strike on 17 June 1953 as well, where the sections were closed:

Just after the strike, on the following day, train service on the line A was resumed and the service C was resumed to provide connections to Nordbahnhof and Friedrichstraße.

Interior of U-Bahn car, 1977.

Between 1953 and 1955, the 200-Kilometre-Plan was drawn up, detailing the future development of the U-Bahn, which would ultimately grow to 200 km (124.3 mi).

1st Phase:

2nd Phase:

3rd Phase:

Extending the C line to run from Tegel to Alt-Mariendorf was considered the highest priority: the northern extension to Tegel was opened on 31 May 1958. In order to circumvent East Berlin, and provide rapid-transport connections to the densely populated areas in Steglitz, Wedding, and Reinickendorf, a third north–south line was needed. The first section of line G was built between Leopoldplatz and Spichernstraße, with the intention of extending it at both ends. It had been planned to open the G line on 2 September 1961, but an earlier opening on 28 August was forced by the announcement of the construction of the Berlin Wall.

Construction of the Berlin Wall

GDR state and party leader Walter Ulbricht had replied to the question of the journalist whether there is a need to build the Berlin Wall on 15 June 1961.

"I understand your question so that there are people in West Germany who need to mobilize the construction workers of the Berlin Wall to erect the Wall. I am not aware that such an intention, because the construction workers of our capital mainly deals with the housing, and their labour is fully exploited, will be fully used. No one has the intention to build the wall"

But a few weeks later, on August 12, the SED General Secretary ordered to build the wall around West Berlin, belittling and factually inaccurate declared "anti-fascist protective wall", build. Walter Ulbricht had arranged for the coup sent together with the Erick Honecker. The then German Interior Minister Karl Maron had instructed the changes to the Berlin U-Bahn:

For the line C and D, West Berlin asked to pay for an annual fee of DM 20 million to permit trains to run through East Berlin, although the trains were not allowed to stop on their way: the former stops became Geisterbahnhöfe ("ghost stations"), patrolled by armed East-German border guards. Only at Friedrichstraße, a designated border crossing point, were passengers allowed to disembark. A further consequence of the Wall was that West Berliners, unwilling to help fund the Soviet-dominated state, boycotted the East-German-controlled S-Bahn, transferring wherever possible to the U-Bahn. For historic reason, the S-Bahn was owned and operated by the GDR in both East and West Berlin.

For the East Berlin, it had only retained line A and E. No other changes have been made.

West Berlin U-Bahn: The Expansion

In West Berlin, housing developments in Britz and Rudow demanded an extension to the CI line. The Grenzallee to Britz-Süd connection opened on 28 September 1963. Guidelines for underground development stipulated that all lines should be linear, with no branches. Thus the extension in the opposite direction from Mehringdamm to Möckernbrücke established a new line: H. "Line H" was never used, however, as its opening on 28 February 1966 coincided with the redesignation of all lines in West Berlin. The new line was named U7, and the Tempelhof to Alt-Mariendorf section—opened the same day—completed the newly designated U6. West Berlin abandoned the letter-based system on 1 March 1966 and replaced it by line numbers 1 through 9, the system still in place today.

1966 U-Bahn line redesignations
Kleinprofil network   Großprofil network
BI → 1 Schlesisches Tor – Ruhleben CII/CI → 6 Tegel – Alt-Mariendorf
AII → 2 Gleisdreieck – Krumme Lanke CI/H → 7 Möckernbrücke – Britz-Süd
BIV → 3 Wittenbergplatz – Uhlandstraße D → 8 Gesundbrunnen – Leinestraße
BIII → 4 Nollendorfplatz – Innsbrucker Platz G → 9 Leopoldplatz – Spichernstraße
AIII → 5 Deutsche Oper – Richard-Wagner-Platz  

Funds from economically successful West Germany, with its capital in Bonn, to West Berlin were plentiful, allowing major expansions to U-Bahn lines. The U9, from Rathaus Steglitz to Osloer Straße was opened on 30 April 1976 and the U7 was further extended in six sections until it reached Rathaus Spandau on 1 October 1984. When the BVG took over the running of S-Bahn and U-Bahn services in 1984, it incorporated the S-Bahn into the numbering system and thus, using the West German transport system designations of giving new line numbers prefixed by "S" to the S-Bahn and adding the prefix "U" to the existing U-Bahn lines. Thus "line 1" became "U1" etc.

The U8 was extended north from Gesundbrunnen, through the newly built Osloer Straße, to Paracelsus-Bad, which opened on 27 April 1987.

The E Line Extension

In contrast, additions to the East Berlin lines, financed by the GDR, were not so frequent. In the 1970s, the E line was extended east to Tierpark, opening on 25 June 1973. There were plans to extend to Karlshorst in the early 1950s/60s, and the new plan after the Tierpark extension is to extend to the Oberschöneweide, very near to Treptow. In the 1980s, a new plan was developed to run along the VnK Railway to the Kaulsdorf, and to the new stretch to Hönow.

Designing the route took place in the 1983/84. The distance should be 10.1 km and nine new stations. The new route is supposed to be opened in two phases. Construction began on 1 March 1985, with the first to open will be Biesdorf-Süd and Elsterwerdaer Platz, then on to Hönow by 1 July 1989, just a few months before the fall of the Berlin Wall.

Reunification and reformation of the Berlin U-Bahn

U1 train crossing Oberbaumbrücke

On 9 November 1989, following months of unrest, the travel restrictions placed upon East Germans were lifted. Tens of thousands of East Berliners heard the statement live on television and flooded the border checkpoints, demanding entry into West Berlin. Jannowitzbrücke, a former ghost station, was reopened two days later as an additional crossing point. The two stations, Rosenthaler Platz and Bernauer Straße on the U8 soon followed suit; and by 1 July 1990, all border controls were removed. The ghost stations took three months to clean up the dirt, remove all the border guard posts/transport police areas and interior refurbishment before the stations were reopened on 1 July 1990.

The Berlin U-Bahn lines that was renumbered after the East German has adopted the West German currency on 1 July 1990, for example the A became U2, but U2 is not yet connected to the western side of Berlin and there is a U2 from Wittenbergplatz to Krumme Lanke, so it should be numbered "U2-Ost", and E became U5. After the reunification of Germany on 3 October 1990, all the Communist-era names under the GDR era of the Berlin stations were renamed back to their original names.

In January 1990, fare zones have been implemented. The Zone A consists of the BVG Zone in the west, whereas the Zone B consists of the BVB Zone in the east and the East German area. The later was abolished in December 1995.

For the U2, with the reconnection of the route, it requires extensive work between Wittenbergplatz and Mohrenstraße. Firstly the M-Bahn needs to be removed, the stations such as Potsdamer Platz needs to be rebuilt and refurbished as it is in run-down condition since the construction of the Berlin Wall, the tunnel need to be rebuilt with relaying of the tracks, removal of border and safety fortifications, and the leases at Nollendorfplatz and Bülowstraße stations, which has been repurposed as a flea market and a Turkish bazaar, meant for storing the last West Berlin trams, were expired in March 1991. The amalgamated line was finally reopened on 13 November 1993. With the connection, the new small profile (Kleinprofil) network has been reorganised as follows:

It leaves only one connection to reinstate after the reorganisation – the U1/U15 line across the Oberbaumbrücke to Warschauer Straße. As though it will take two years, re-construction of the Oberbaumbrücke began in 1993 in order to replace a broken pillars damaged by the air raids in the World War II, and the building at Warschauer Straße station needs to be reconstructed because the building was partially demolished during the East Berlin time. The old signal box and wagon area to Rudolfstraße was also repaired at the same time. It was finally reopened on 14 October 1995, and the station was renamed from Warschauer Brücke to Warschauer Straße, in order to connect to the Berlin S-Bahn station.

Continuous expansion of the Berlin U-Bahn

In the decade following reunification, only three short extensions were made to U-Bahn lines. On the U8, a northern extension from Paracelsus-Bad to Wittenau, construction began in 1985 opened on 24 September 1994 and, in the south, the Leinestraße to Hermannstraße section opened on 13 July 1996. The construction of Hermannstraße station began in 1992.

The U2 was also extended from the Vinetastraße to Pankow connection opened on 16 September 2000. Construction began on 1989, as the basic earthworks only took place until 1997, and construction began on 1997 as well. The Mendelssohn-Barthlody-Park station started construction as Hafenplatz in 1996. It was completed on 2 October 1998.

The latest line to open is U55 from Berlin Hauptbahnhof to Brandenburger Tor on 8 August 2009. This line will be extended to Alexanderplatz, where it will connect with the U5 to Hönow, creating three new stations in the city center: Berliner Rathaus, Museumsinsel and Unter den Linden.

Opening dates

This is the complete history and summary of the openings for the Berlin U-Bahn:

  • 18 February 1902: Stralauer Tor – Potsdamer Platz
  • 11 March 1902: Potsdamer Platz – Zoologischer Garten
  • 25 March 1902: Stralauer Tor – Zoologischer Garten
  • 17 August 1902: Stralauer Tor – Warschauer Brücke
  • 14 December 1902: Zoologischer Garten – Knie
  • 14 May 1906: Knie – Wilhelmplatz
  • 29 March 1908: Bismarckstraße – Reichskanzlerplatz
  • 1 October 1908: Potsdamer Platz – Spittelmarkt
  • 1 December 1910: Nollendorfplatz – Hauptstraße
  • 8 June 1913: Reichskanzlerplatz – Stadion
  • 1 July 1913: Spittelmarkt – Alexanderplatz
  • 27 July 1913: Alexanderplatz – Nordring
  • 12 October 1913: Wittenbergplatz – Uhlandstraße
  • 12 October 1913: Wittenbergplatz – Thielplatz
  • 30 January 1923: Stettiner Bahnhof – Hallesches Tor
  • 8 March 1923: Stettiner Bahnhof – Seestraße
  • 19 April 1924: Hallesches Tor – Gneisenaustraße
  • 14 December 1924: Gneisenaustraße – Hasenheide
  • 14 February 1926: Belle-Alliance-Straße – Kreuzberg
  • 11 April 1926: Hasenheide – Bergstraße
  • 24 October 1926: Gleisdreieck – Kurfürstenstraße – Wittenbergplatz
  • 17 July 1927: Boddinstraße – Schönleinstraße
  • 10 September 1927: Kreuzberg – Flughafen
  • 12 February 1928: Schönleinstraße – Kottbusser Tor
  • 6 April 1928: Kottbusser Tor – Neanderstraße
  • 4 August 1929: Boddinstraße – Leinestraße
  • 22 December 1929: Flughafen – Tempelhof (Südring)
  • 22 December 1929: Stadion – Ruhleben
  • 22 December 1929: Thielplatz – Krumme Lanke
  • 18 April 1930: Neanderstraße – Gesundbrunnen
  • 29 June 1930: Nordring – Pankow (Vinetastraße)
  • 21 December 1930: Alexanderplatz – Friedrichsfelde
  • 21 December 1930: Bergstraße – Grenzallee
  • 3 May 1956: Seestraße – Kurt-Schumacher-Platz
  • 31 May 1958: Kurt-Schumacher-Platz – Tegel
  • 28 August 1961: Leopoldplatz – Spichernstraße
  • 28 September 1963: Grenzallee – Britz-Süd
  • 28 February 1966: Tempelhof – Alt-Mariendorf
  • 28 February 1966: Mehringdamm – Möckernbrücke
  • 2 January 1970: Britz-Süd – Zwickauer Damm
  • 29 January 1971: Spichernstraße – Walther-Schreiber-Platz
  • 29 January 1971: Möckernbrücke – Fehrbelliner Platz
  • 1 July 1972: Zwickauer Damm – Rudow
  • 25 June 1973: Friedrichsfelde – Tierpark
  • 30 September 1974: Walther-Schreiber-Platz – Rathaus Steglitz
  • 30 April 1976: Leopoldplatz – Osloer Straße
  • 7 October 1977: Gesundbrunnen – Osloer Straße
  • 28 April 1978: Fehrbelliner Platz – Richard-Wagner-Platz
  • 1 October 1980: Richard-Wagner-Platz – Rohrdamm
  • 1 October 1984: Rohrdamm – Rathaus Spandau
  • 27 April 1987: Osloer Straße – Paracelsus-Bad
  • 1 July 1988: Tierpark – Elsterwerdaer Platz
  • 1 July 1989: Elsterwerdaer Platz – Hönow
  • 24 September 1994: Paracelsus-Bad – Wittenau
  • 13 July 1996: Leinestraße – Hermannstraße
  • 16 September 2000: Vinetastraße – Pankow
  • 8 August 2009: Hauptbahnhof – Brandenburger Tor

References

  1. ↑ Lemke, Ulrich; Poppel, Uwe. Berlin underground. p. 28.
  2. ↑ Reichardt, Hans D. Berlin subway. p. 24.
  3. ↑ Pavel, E. (1927). "The development of the electricity generating plant of elevated and underground train in Berlin". metro archive.de. Berlin.
  4. ↑ Hilkenbach, Sigurd; Kramer, Wolfgang. The trams in Berlin. p. 33.
  5. 1 2 Merrill, Samuel (2016). "Negotiating the memories and myths of World War II civilian suffering in the railways beneath London and Berlin". In Reeves, K.; Bird, G.; James, L.; Stichelbaut, B.; Bourgeois, J. Battlefield Events: Landscape, commemoration and heritage. Abingdon: Routledge.
  6. ↑ The flooding of the S-Bahn tunnel (in German).
  7. ↑ North-South Bahn (in German).
  8. ↑ "Friedrichstraße". Stadtschnellbahn Berlin (in German). 1 April 2008.
  9. ↑ "Geschichte der S-Bahn Berlin" (in German). Archived from the original on 9 September 2004.

External links

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