Grand Paris Express in the context of "Paris Métro Line 11"

The Paris Métro, short for Métropolitain, is a rapid transit system serving the Paris metropolitan area in France. A symbol of the city, it is known for its density within the capital's territorial limits, as well as its uniform architecture and historical entrances influenced by Art Nouveau. The system is 245.6 kilometres (152.6 mi) long, mostly underground, as well as its 321 stations of which 61 allow the riders to transfer between the sixteen lines (with an additional four under construction and one in project), all numbered 1 to 14, with two extra branches, 3bis and 7bis, named such as they are former parts of Lines 3 and 7 respectively. Three of these lines (1, 4 and 14) are fully automated, and the additional four are also planned as such. Lines are identified on maps by an individual number and an associated specific colour, all part of an official palette, with the traveling direction indicated by the terminus, the last stop on each line. All trains travel from one end of the line to the other, serving every station along the way. The Paris Métro is operated by the Régie autonome des transports parisiens (RATP), which also operates part of the RER (commuter standard train) network, most of the Francilian light rail lines and many bus routes around and within Paris itself.

It is the second-busiest metro system in Europe, as well as the twelfth-busiest in the world. It carried 1.476 billion passengers in 2024, roughly 4.04 million passengers a day, which makes it the most used public transport system in Paris. It is one of the densest metro systems in the world, with 244 stations within the 105.4 km (41 sq mi) of the City of Paris. Châtelet–Les Halles, with five Métro and three RER commuter rail lines, is one of the world's largest metro stations. The system generally has poor accessibility due to its old age (established 125 years ago) and because most of the current infrastructure was built before accessibility standards emerged, with few stations retrofitted since. On the flip side, all new infrastructure and rolling stock meets current accessiblity standards, including extensions of historic lines.

Paris Métro Line 8 (French: Ligne 8 du métro de Paris) is one of the sixteen lines of the Paris Métro currently opened. It connects Balard (Porte de Sèvres) in the southwestern part of Paris to Pointe du Lac station in the southeastern suburban city of Créteil, prefecture of the Val-de-Marne department, following a parabolic route across Paris. Last line proposed by Fulgence Bienvenüe's original 1898 Paris Métro project, line 8 opened in July 1913 and was initially intended to link Porte d'Auteuil and Opéra. With 105.5 million passengers in 2017, it is the network's eighth busiest line, as well as the current third longest (after Lines 13 and 14, even though Line 13 has a fork, and Line 15 is set to become the longest once fully opened), at 23.4 km (14.5 mi) in length. Alongside Line 7, it serves 38 distinct stations, the most of any line on the network, Grand Paris Express (lines 15 to 18) included. Line 8 interchanges with all other Métro lines but three : Lines 2, 3bis and 7bis.

The line was substantially modified during the 1930s as Line 10 took over the western section from La Motte - Picquet to Porte d'Auteuil. The current route serves the southwestern part of the French Capital, including the Champ de Mars, the Invalides, the Concorde Place, the Opéra Garnier, the Grands Boulevards, The places of République and Bastille as well as the Bois de Vincennes, before ending in the southeastern inner suburbs through the communes of Charenton-le-Pont, Maisons-Alfort and Créteil, which the line reached in 1974 at Créteil–Préfecture station, after several extensions. Line 8 was the first to connect the prefecture of one of the new departments of Île-de-France, more than a decade before Line 5 to Bobigny, and Line 15 to Nanterre in the near-future. Line 8 is also the only Paris underground line to cross the Seine and its principal tributary, the Marne river, above ground via a bridge between Charenton – Écoles and École Vétérinaire de Maisons-Alfort, it also crosses the Seine underground between Concorde and Invalides.

Paris Métro Line 15 is one of four new lines of Grand Paris Express, a major expansion project of the Paris Métro. Currently under construction, the line will provide a new orbital route through the suburbs of Paris, servicing the departments of Hauts-de-Seine, Val-de-Marne and Seine-Saint-Denis. The southern section of the line is planned to open in April 2027, with the completed line planned to open in 2031.

In line with all Grand Paris Express lines, Line 15 will be fully automated. Upon completion, Line 15 will be the world's longest underground rapid transit tunnel dedicated to passenger service.

Paris Métro Line 16 is one of four new lines of Grand Paris Express, a major expansion project of the Paris Métro. Currently under construction, the line will connect the suburbs north and east of Paris in the Seine-Saint-Denis department, and is planned to open in two phases in mid-2027 and 2028. Line 16 will be fully automated (along with all Grand Paris Express lines) and fully underground.

The line is being built by Société du Grand Paris, a public agency set up by the French Government to deliver the Grand Paris Express project. The trains will be operated by Keolis, while the infrastructure is managed by RATP.

Paris Métro Line 17 is one of four lines of the Grand Paris Express. It is planned to open in phases from 2027 through 2030. Sections will be above ground, including Parc des Expositions station.

Paris Métro Line 18 is one of four new lines of Grand Paris Express, a major expansion project of the Paris Métro. Currently under construction, it will link Orly Airport to Versailles via Massy-Palaiseau, the Saclay Plateau, and Saint-Quentin-en-Yvelines. The line will be 35 kilometers (22 mi) long and will be fully automated (along with all Grand Paris Express lines). Subsequently, it is planned to be extended by about 15 kilometers (9.3 mi) from Versailles to Nanterre via Rueil-Malmaison.

It is expected to be completed after 2030. Its first section, from Orly Airport to the Saclay plateau (Christ de Saclay), is scheduled to open in 2026 between the stations of Massy-Palaiseau and Christ de Saclay, in 2027 between Massy-Palaiseau and Orly Airport, and in 2030 between Christ de Saclay and Versailles Chantiers. One of the line's aims is to serve the technological and scientific development cluster of Paris-Saclay and the campus of Paris-Saclay University.

La Défense station (French pronunciation: [la defɑ̃s]) is a station of the Transilien (Réseau Saint-Lazare) suburban rail lines, RER commuter rail network, Paris Métro, as well as a stop of the Île-de-France tram network. In the future, Paris Metro Line 15 of Grand Paris Express will pass through here, making it a huge railway hub. It is underneath the Grande Arche building in La Défense, the business district just west of Paris. The station is the western terminus of Métro Line 1 and connects the RER A line to the Métro Line 1 station since 1992, the Line 2 tramway since 1994 and SNCF (Transilien) train station. It is also attached to a major shopping centre. There are over 25 million entries and exits each year. A temporary special SNCF service began in April 1959 (1959-04) to serve the newly-built Centre of New Industries and Technologies (CNIT); the RER entered service on 19 January 1970 (1970-01-19). The RER E station built under the CNIT opened on 6 May 2024.

Highlights on the surface nearby include the monumental Grande Arche, skyscrapers that host the headquarters of important French and foreign companies, and works of urban art such as Le Pouce by César Baldaccini. From the central esplanade the Arc de Triomphe can be seen further down the Axe historique. Until May 2004, this part of La Défense hosted an information centre of the European Union managed by the European Parliament. Like the district it serves, the station takes its name from the 19th-century statue La Défense de Paris, commemorating the Franco-Prussian War.

Saint-Denis–Pleyel (French pronunciation: [sɛ̃ dəni plɛjɛl]) is a Paris Métro station located in Saint-Denis, in the northern suburbs of Paris. Built as part of the Grand Paris Express project, the station was opened on 24 June 2024 as the terminus of Line 14. In the future, the station will serve the orbital Line 15 and be the terminus of lines 16 and 17. The station is operated by Keolis, which will also operate lines 16 and 17.
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Aéroport d'Orly station (French pronunciation: [aeʁɔpɔʁ dɔʁli]) is a Paris Métro station serving as the southern terminus station of Line 14, built as part of the Grand Paris Express project. It is located on the land of the commune Paray-Vieille-Poste and serves Orly Airport, about 13 kilometres (8.1 mi) south of Paris. The station opened with the extension of Line 14 to the south on 24 June 2024, shortly before the start of the 2024 Summer Olympics and 2024 Summer Paralympics.

The Paris Métro, short for Métropolitain, is a rapid transit system serving the Paris metropolitan area in France. A symbol of the city, it is known for its density within the capital's territorial limits, as well as its uniform architecture and historical entrances influenced by Art Nouveau. The system is 245.6 kilometres (152.6 mi) long, mostly underground, as well as its 321 stations of which 61 allow the riders to transfer between the sixteen lines (with an additional four under construction and one in project), all numbered 1 to 14, with two extra branches, 3bis and 7bis, named such as they are former parts of Lines 3 and 7 respectively. Three of these lines (1, 4 and 14) are fully automated, and the additional four are also planned as such. Lines are identified on maps by an individual number and an associated specific colour, all part of an official palette, with the traveling direction indicated by the terminus, the last stop on each line. All trains travel from one end of the line to the other, serving every station along the way. The Paris Métro is operated by the Régie autonome des transports parisiens (RATP), which also operates part of the RER (commuter standard train) network, most of the Francilian tram lines and many bus routes around and within Paris itself.

It is the second-busiest metro system in Europe, as well as the twelfth-busiest in the world. It carried 1.476 billion passengers in 2024, roughly 4.04 million passengers a day, which makes it the most used public transport system in Paris. It is one of the densest metro systems in the world, with 244 stations within the 105.4 km (41 sq mi) of the City of Paris. Châtelet–Les Halles, with five Métro and three RER commuter rail lines, is one of the world's largest metro stations. The system generally has poor accessibility due to its old age (established 125 years ago) and because most of the current infrastructure was built before accessibility standards emerged, with few stations retrofitted since. On the flip side, all new infrastructure and rolling stock meets current accessiblity standards, including extensions of historic lines.