The LGV Atlantique (French: Ligne à Grande Vitesse Atlantique; English: Atlantic high-speed line) is a high-speed rail line running from Gare Montparnasse in Paris towards the Atlantic coast of France. It opened in 1989–1990 and has two intermediate stations: Massy TGV station and Vendôme-Villiers-sur-Loir TGV station. It divides into two parts at Courtalain, one going westward to Le Mans (towards Brittany and Pays de la Loire), the second one going southwestward to Tours (and onward towards Nouvelle-Aquitaine). Both branches have been extended, by the LGV Bretagne-Pays de la Loire and the LGV Sud Europe Atlantique.

Quick Facts Overview, Status ...

LGV Atlantique
The LGV Atlantique in Boinville-le-Gaillard
Overview
Status	Operational
Owner	SNCF Réseau
Locale	Île-de-France, Centre-Val de Loire and Pays de la Loire
Termini	Gare Montparnasse, Paris Western branch: Le Mans Southwestern branch: Tours
Service
System	SNCF
History
Opened	24 September 1989 (Paris–Le Mans) 25 September 1990 (full line)
Technical
Line length	232 km (144 mi) (main line) 52 km (32 mi) (western branch)
Number of tracks	2
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification	Overhead line, 25 kV 50 Hz AC
Operating speed	300 km/h (186 mph)
Signalling	TVM-300
Route map Legend 0.5 Paris-Montparnasse 1.2 Line to Le Mans 14.1 Line from Valenton 14.4 Massy TGV 17.0 Tunnel de Villejust (4805 m) from Brétigny 65.9 to Châteaudun 130.2 Junction with Le Mans branch LGV BPL to Rennes Line from Chartres 182.0 Line to Le Mans 162.1 Vendôme TGV 214.4 River Loire (459 m) Line from Tours 216.0 Line to Orléans 216.3 to Vierzon 217.0 218.3 River Cher (370 m) 223.0 LGV SEA to Bordeaux 232.2 Line from Tours Line to Bordeaux

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The line leaves Gare Montparnasse to cross Paris's southern suburbs, partly under the Coulée Verte. This is a tunnel above which footpaths and recreational areas have been created, to reduce the effect of the LGV running through the area. The line at this point follows the route of the former railway line from Paris to Chartres. TGVs coming from the north or southeast of France via the LGV Interconnexion Est join the line at Massy. After the new Massy TGV station, the line passes through the Villejust tunnel and then follows the A10 motorway. Near the Saint-Arnoult toll plaza, the LGV turns south and leaves the motorway. The line then follows the ligne classique from Paris to Vendôme until the junction at Courtalain.

The LGV Atlantique serves the following stations:

• Paris Montparnasse
• Massy TGV
• Le Mans¹
• Vendôme TGV
• Tours

¹ Le Mans is located on the western branch of the LGV Atlantique.

• 1 January 1983: creation of SNCF new line no. 2 committee
• 25 May 1984: public utility declaration
• 15 February 1985: official beginning of works at Boinville-le-Gaillard
• 1 July 1987: laying of first LGV Atlantique rail at Auneau
• 24 September 1989: line opens from Montrouge to Connerré
• 18 May 1990: TGV world speed record of 515.3 km/h
• 25 September 1990: southwestern branch opens

Extensions to both branches have been built. The western branch is augmented by the LGV Bretagne-Pays de la Loire project, resulting in a reduction of 37 minutes between Paris and Rennes.^[1] The Southern branch is augmented by the LGV Sud Europe Atlantique project, resulting in a reduction of around 50 minutes to Tours and Bordeaux.^[2] Both lines entered service in July 2017.

• High-speed rail in France