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FAQ RER A Summer Work

Answers to frequently asked questions about RER A Summer work can be found in this section.  

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Find out more about the RER A summer construction project.
To help you anticipate summer construction work on the RER A and C, RATP proposes an interactive map. 
People with reduced mobility will not be forgotten in the passenger accompaniment arrangements that will be set up this summer by RATP and…
RATP and its partners offer you the possibility to test several alternative routes this summer, during the closure of RER A line between La…
First known as the Regional Metro when inaugurated in 1969, the RER A is a major transport axis for the Ile-de-France region. It forms a…
To conduct the track and ballast replacement work while minimising passenger inconvenience, RATP plans to completely close the stations…
By 2021, the renovation project will allow 24 kilometres of ballasted track to be entirely replaced, all of which is underground, including…