Here are the traffic forecasts on the rail network in Île-de-France this weekend of May 21 and 22.
RER B.
All day Sunday, traffic is interrupted between Paris Gare du Nord and Charles de Gaulle Airport 2 (Terminal 2) and between Paris Gare du Nord and Mitry - Claye in Seine-et-Marne.
A replacement bus service is in place.
RER C.
Saturday and Sunday, no train between Viroflay Rive Gauche and Saint-Quentin en Yvelines - Montigny-le-Bretonneux.
Reason: work is being carried out to make Saint-Quentin-en-Yvelines station accessible for people with reduced mobility.
A replacement bus service is in place.
Traffic is also stopped on Saturday and Sunday between Invalides and Pontoise in Val-d'Oise, all day.
RER E.
Traffic is interrupted between Haussmann Saint-Lazare and Villiers/Tournan, from 9 p.m., Saturday and Sunday and until 6:30 a.m. Sunday.
Buses will provide the journey instead of trains.
From 9:30 p.m. on Saturday, there is no service between Chelles - Gournay and Haussmann Saint-Lazare.
LINE H.
Traffic is stopped between Épinay - Villetaneuse in Seine-Saint-Denis and Sarcelles - Saint-Brice in Val-d'Oise, Saturday and Sunday, all day.
A replacement bus service is in place.
Between Les Mureaux and Mantes-la-Jolie in the Yvelines, there are no trains on Saturday or Sunday.
Buses will replace trains all weekend.
LINE K.
Saturday, no train traffic between Paris Gare du Nord and Mitry Claye.
You can instead take line B of the RER.
LINE N.
On Saturday and Sunday, train traffic is suspended between Epône Mézières and Mantes-la-Jolie in the Yvelines.
A replacement bus service has been set up between Versailles Chantiers and St Quentin-en-Yvelines.
From 10:20 p.m., some trains are canceled and replaced by buses.
LINE P.
On Saturday and Sunday, traffic is interrupted between La Ferté-Milon and Meaux in Seine-et-Marne.
A replacement bus service is in place.
Traffic is also interrupted between Château-Thierry and Paris Est.
No train either between Paris Est and Meaux from 10:20 p.m. on Saturday and from 11:50 p.m. on Sunday.
From 8:30 p.m., Saturday and Sunday and Sunday morning until 7 a.m., traffic is stopped between Paris Est and Provins.
Saturday and Sunday, from 9:30 p.m., no train runs between Coulommiers and Paris Est.
LINE U.
On Saturday and Sunday, the service is suspended between La Défense and La Verrière.
METRO LINE 4.
The line is interrupted until noon Sunday.