Champ de Mars station (Paris Métro)
Champ de Mars () is a ghost station on line 8 of the Paris Métro, between the stations of La Motte-Picquet–Grenelle and École Militaire. It is situated in the 7th arrondissement of Paris, to the southwest of Champ de Mars, a public garden, of which it is named after. History 

The station opened as part of the initial section of the line 8 from Beaugrenelle (now Charles Michelson line 10) and Opéra on 13 July 1913. On 2 September 1939, the station was closed as part of the government's plan that reduced service on the métro network as a cost-saving measure in light of the onset of World War II, with all but 85 stations closed. Most reopened after the war, although it remained closed due to its light traffic which made it unprofitable to operate, hence, becoming a ghost station. In the early 1960s, more than twenty years later, it was still found on the official maps of the network by the RATP, as were the other closed stations at the time: Croix-Rouge, Arsenal, Saint-Martin, and Cluny. However, they were removed in subsequent maps since the 1970s, barring Cluny: it reopened as Cluny–La Sorbonne in 1988. A siding and a track connection between lines 8 and 10 (towards the direction of Boulogne) exists south of the station. The station originally had two accesses, on both sides of Place Joffre. The access on the Champ de Mars side still exists whereas the one on the École militaire side has been converted into a ventilation shaft to lower the temperature in the tunnels below. Today, a station of line C of the RER is situated to the northwest of Champ de Mars, a public garden, has taken its name and is called Champ de Mars–Tour Eiffel, almost 1 kilometre away. It has a connection to line 6 at the Bir-Hakeim. Station layout

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References 

Railway stations in France opened in 1913
1939 disestablishments in France
Ghost stations of the Paris Métro
Paris Métro line 8
Paris Métro stations in the 7th arrondissement of Paris
Railway stations closed in 1939