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Erbingburg

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German metropolis located on the border with France, Belgium and Italy

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Schiller22

Subway Line U12A (phantom line)

In 1989, the city committee decided to build a new metro line called U12A, which was to link the new urban area Mitcheese with major transport interchange in the center of the city train station S8, S45, S89, and the station Rehwiese on the line U1, and Tannenallee on the line U12.

At the beginning of the construction of 6 stations have been identified: Mitcheese, Apfelallee, Hohe Ahren, Rehwiese (interchange U1), Hentzeweg, Tannenallee (interchange U12).

Construction of the new line began in February 1989 and consisted of two phases of construction: the first were laid construction sites for stations Tannenallee (February 1989), Hentzeweg (March 1989) and Rehwiese (June 1989) and after the end of construction in 1996 were work began on the construction of the station Hohe Ahren (May 1996).

The plot line U12A from the station Tannenallee to Hohe Ahren was under the ground, and the rest of the line was to go over the surface, as like as city train, and to come to the Mitcheese station via Apfelallee, which was connected to the line S11, S24, S26.

In 1998 began the first premise that the section of the line will not be ready in time for 2000, as it was planned. The work on this section were first stopped in September 1998, when a piece of equipment was forwarded to build a more promising line of subway U13 (which was later renamed the U3A), and on the line U12A were working in the already constructed tunnels between stations Tannenallee - Hohe Ahren.

September 1998: Stop the main works on the line U12A.

November 1998: Begins extension of the platform Mitcheese.

December 1998 - February 1999: Expanding platform Mitcheese completed, built a platform for the future subway station . Work began on the construction of the flyover for the paths toward Apfelallee.

March - June 1999: Erected and prepared ground for the plant Apfelallee.

July 1999: All of the tunnels construction equipment transported to the construction of transmission lines U13 and U14.

August 1999: construction of a protective cap on the entrance to the tunnel by Apfelallee.

October 1999: The decision to conserve land line Tannenallee - Hohe Ahren.

October 1999: Construction of the station Apfelallee completely stopped construction site dismantled.

December 1999: Construction of paths from Mitcheese - stopped. Reversal dead ends - are over.

February 2000: A new plan for the construction and modernization of the line U12A.

March 2000 - September 2002: Work on the sections of the line - not conducted.

September 2002: The line U12A renamed U38. (the name of the line will be set in 2021)

November 2002 - March 2004: A complete inspection and repair of the line from Tannenallee - Hohe Ahren.

April 2004: Began construction of the tunnel between the line U12A and U12, for communication with the subway system.

August 2004: Began the planning and construction of the new station Neuer Steg which should continue the line U12A to the south of the city.

December 2005: The construction of tunnels between Tannenallee - Neuer Steg complete. Neuer Steg station built only in designs . Outputs up there . Reversal tunnel behind the station - to be built.

February 2006: In the section of the line Tannenallee - Hohe Ahren were flown by two trains of 6 cars.

March 2006: The team diggers enters in the tunnel between Rehwiese - Hentzeweg. Witnesses took lots of photos , and assure that the line is fully built and heavily guarded.

June 2007 - February 2011: The whole line U12A temporarily closed.

November 2011: Announced new plans for the reconstruction of the line.

November 2011 - April 2012: Work on the line - not conducted. Construction of the stantion Neuer Steg is completed.

April 2012 - November 2012: Work on the construction of the station Mitcheese restored and fully implemented.

May 2012: Organized by shuttle trains between stations Neuer Steg and Rehwiese, the interchange between the lines U12A and the U12 is not made. Work on the construction of interchange restored and will be completed by the end of 2012.

October 2012:The movement of trains is fully consistent with the approved plan.

January 2013: The construction of the station Tulpenweg and Havelstrase are started.

February - September 2013: Construction of the new station Ahiener Platz is continues.

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