Gare du Nord

Gare du Nord is a Paris Métro station, and serving line 4 and line 5. It is the busiest station in the system , with 48 million entrances a year. It is connected to the SNCF's major station, Gare du Nord, literally, Station of the North, which serves RER lines B and D and Transilien Nord commuter trains as well as interurban trains to northern France, Eurostar trains to London and Thalys trains to Brussels, Amsterdam and Cologne. The station is also connected to the La Chapelle Métro station on line 2 and to the Magenta RER station on RER line E.
In November 1907 Line 5 was extended from Gare d'Orléans to Gare du Nord where the station was built on a reversing loop. On 21 April 1908 Line 4 was opened from Châtelet to Porte de Clignancourt through Gare du Nord. In 1942, the old Line 5 station was closed and replaced with a through station, in preparation for the extension to Église de Pantin. The part of the old loop that was not destroyed during the building of RER Line B in the 1970s together with connecting lines to Lines 2 and 4 under the Boulevard de Magenta and the Rue de Dunkerque are now used for driver training . The length of platforms on Line 4 were extended from 75m to 90m in the 1960s during the upgrading of the line for rubber-tyre operations.

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