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Rer B

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Title: Rer B  
Author: World Heritage Encyclopedia
Language: English
Subject: Paris Métro Line 4, Châtelet (Paris Métro), Gare du Nord (Paris Métro), Paris Métro Line 1, Paris Métro Line 7
Collection: Paris Rer, Railway Lines Opened in 1977
Publisher: World Heritage Encyclopedia

Rer B

The RER B is one of the five lines in the RER rapid transit system serving Paris, France.

The line runs from the northern termini Aéroport Charles de Gaulle (B3) and Mitry-Claye (B5) to the southern termini Robinson (B2) and Saint-Rémy-lès-Chevreuse (B4).

  • First inauguration : 9 December 1977
  • Length :
  • Number of stops : 47
  • Traffic (2004) : 165,100,000 journeys per annum (figure only for the RATP section of the line)

The southern part of the line (south of Gare du Nord) is operated by RATP, the northern part by SNCF. Trains are owned by either company. Until December 2009, drivers changed at Gare du Nord; RATP and SNCF drivers now operate their trains along the full length of the line. Trains moving from one network to the other at this station is known as the Interconnexion. Technical difficulties of the Interconnextion include the shared tunnel with RER D between Châtelet – Les Halles and Gare du Nord, and the fact that while the SNCF part in the northern suburbs use 25 kV AC current, the RATP part uses 1500 V DC, forcing the use of dual-voltage trains.


  • Chronology 1
  • List of RER B stations 2
  • See also 3
  • External links 4


Line B was the product of the connection in 1977 of the Ligne de Sceaux terminus, Luxembourg, with the Gare du Nord via Châtelet – Les Halles. In 1988 St-Michel – Notre-Dame station between Luxembourg and Châtelet – Les Halles was opened to provide connection with RER C and Métro Line 10 at Cluny – La Sorbonne, a station which had been closed since the beginning of the second world war and was entirely renovated for the occasion.

List of RER B stations

Inside an almost empty RER B
Luxembourg on the RER B.
Inside an RER B.
People getting in the RER B at Châtelet.

See also

External links

  • RATP official website (in French)
  • RATP website in English
  • Interactive Map of the RER (from RATP's website)
  • Interactive Map of the Paris métro (from RATP's website)
  • Mobidf website, dedicated to the RER (unofficial) (in French)
  • Metro-Pole website, dedicated to Paris public transports (unofficial) (in French)

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