Paris Métro Line 9 is one of 16 lines of the Paris Métro. The line links Pont de Sèvres in Boulogne in the west with Mairie de Montreuil in the east via the city center of Paris, creating a parabola type shape to its route. It is the third busiest line on the network.
An MF 01 stock train at Billancourt
line 9 at République station.
The Paris Métro, operated by the Régie autonome des transports parisiens (RATP), is a rapid transit system in the Paris metropolitan area, France. A symbol of the city, it is known for its density within the capital's territorial limits, uniform architecture and unique historical entrances influenced by Art Nouveau. The system is 226.9 kilometres (141.0 mi) long, mostly underground. It has 308 stations of which 64 have transfers between lines. There are 16 lines, numbered 1 to 14, with two lines, Line 3bis and Line 7bis, named because they used to be part of Line 3 and Line 7, respectively. Line 1, Line 4 and Line 14 are automated. Lines are identified on maps by number and colour, with the direction of travel indicated by the terminus.
A MF 01 train at Stalingrad
Image: Carte Métro de Paris
Métro signage
During the initial construction of the Métro, the tunnels were excavated in open sites and then covered.