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node interchange of Châtelet-Les Halles station is located underground in the first arrondissement of Paris.
E 'consists of: *
train station, Les Halles, which serves the three RER (Réseau Regional Express Régional = fast network) A, B and D;
* Les Halles metro station that serves the line 4;
Châtelet * Underground stations serving the three lines M14, M4 and M1 and M11 and the two lines M7.
All stations are connected by a network of pedestrian corridor. Overall
node underground Châtelet-Les Halles is the largest subway station in the world.
The RER station is located below the shopping center "Forum des Halles," which is the largest underground shopping mall in Europe.
paths of the three RER lines are all parallel and oriented from north to south. The three lines are spread over seven tracks, interspersed with four platforms with access from the mezzanine above.
Both central platform, with three tracks total, are reserved to the line D, for each single direction (the central rail between the two platforms can be traversed in both directions). The two extreme
platforms with two tracks each, are reserved to the lines A and B, each on a different direction, and on which you can make the transfer between lines A and B without changing the platform.
The stages of development of the node were as follows: *
August 6, 1900: opening of a line station (rebuilt in 2009 during the Automatic conversion to run the line),
* April 21, 1908: Opening of the line station 4
* April 16, 1926: opening of station Pont Notre-Dame Pont au Change line 7
* April 15, 1934: the station line 7 becomes Chatelet-Pont au Change, and is connected to lines 1 and 4,
* April 28, 1935: opening of the station line 11,
* December 9, 1977: Opening of the RER station Châtelet-Les Halles and the corridor link,
* October 15, 1998: opening of the station line 14 to run automatically.
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