Here are the lines affected by work this weekend in Île-de-France.
RER C
Major works continue on Saturday and Sunday between Invalides and Massy-Palaiseau in Essonne, via Choisy-le-Roi in Val-de-Marne and between Invalides and Juvisy (91).
Traffic is stopped between Pont de Rungis and Massy-Palaiseau.
Movements between Paris Austerlitz and Saint-Martin d'Etampes and between Paris Austerlitz and Dourdan are maintained but departing and arriving from Paris Austerlitz Grandes Lignes.
Take RER lines B and D, metro, tram, regular bus lines.
A replacement bus service is in place between Pont de Rungis and Massy-Palaiseau.
From 10 p.m. on Sunday, trains will not run between Paris Austerlitz and Saint-Martin d'Etampes and between Paris Austerlitz and Dourdan.
Take the replacement buses.
Traffic is also at a standstill between Versailles Chantiers in Yvelines and Massy-Palaiseau.
C1 replacement buses serve all stations.
LINE K
Traffic is interrupted between Paris Gare du Nord and Mitry - Claye in Seine-et-Marne.
The SNCF recommends taking the RER B line between Paris Gare du Nord and Mitry Claye, then a line K train between Mitry-Claye and Crépy-en-Valois in Oise.
LINE L
During the period between this Saturday, February 10 and Sunday, February 25, “deletions are to be expected on the entire L line”, indicates the SNCF without further details.
LINE N
Saturday and Sunday, trains do not run in both directions between Paris Montparnasse and Versailles Chantiers and between Paris Montparnasse and Rambouillet in Yvelines.
Trains to and from Dreux are omnibus from Versailles Chantiers to Dreux in both directions.
LINE P
Until Sunday inclusive, from 10:50 p.m., traffic is interrupted between Paris Est and Meaux in Seine-et-Marne.
LINE 4
The axis automated since January still needs some closures for work.
On Sunday, the first trains will run from midday between Bagneux-Lucie Aubrac/Porte de Clignancourt.
LINE 14
From Sunday, and until Sunday February 25 inclusive, line 14 is completely closed, in order to carry out tests of the new automatic pilot system, and the extension to Saint-Denis Pleyel and Orly, in June.
“During this period, line 13 may experience increased traffic despite increased transport offerings,” warns RATP.