Paris Metro Line 1 was the first metro line opened in Paris, France, in 1900. The line crosses Paris east-west and is the busiest metro line with 161 million journeys per year. The line, 16.6 km long and currently links La Défense to the Castle of Vincennes.
An extension of Line 1 from La Défense station to the center of Nanterre is being considered.
Because of less advanced building techniques of the 1900s, line 1 of the Paris metro is the closest line to the surface; many stations have a steel beam structure comprising of both arched and beam section maintaining the large station roof. The line was constructed using the "cut and cover" method and, as a result, follows the line of the streets above. This was done to both facilitate construction and avoid the adjacent buildings' cellars. Bastille station is located above the tunnel entrance of the Canal Saint-Martin, just below the pavement of the Place de la Bastille because in 1900, there was no way to build underwater.
Unlike older trains on other lines, the cars of line 1 trains are all interconnected, allowing people to move between cars. This reduces the number of seats per car and increases standing room.
Despite being almost entirely underground (except Bastille station and for the Seine-crossing at Pont de Neuilly), line 1 is fully covered by mobile phone networks.
Linka 1 (pařížské metro) | Métrolinie 1 (Paris) | Ligne 1 du métro de Paris | Linn 1 (Paräisser Métro) | Parijse metrolijn 1 | Paris Metrolinje 1 | Linia 1 metra w Paryżu | Linka 1 (parížske metro)
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"Paris Metro Line 1".
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