RER
Line B. Terminus at Denfert-Rochereau throughout this long weekend. Due to modernization work on the southern branch of the line, RER traffic is completely interrupted between Denfert and Croix de Berny station (as well as on the Robinson axis) until Monday inclusive. In addition to the strengthening of regular bus lines serving the area, two replacement bus lines are being put in place during the work, departing from Porte d'Orléans and heading to Bourg-la-Reine for the omnibus line and to Berny cross for the direct line. Trains will run normally on the rest of line B (north of Denfert and south of Croix de Berny) but with a frequency reduced by half compared to a typical weekend.
Line C. No RER will run, Saturday and Sunday, between Massy-Palaiseau and Pont de Rungis on the one hand and between Massy and Versailles construction sites. Replacement buses are scheduled. Rail connections between Paris-Austerlitz and the Saint-Martin d'Etampes and Dourdan-la-forêt termini will also be interrupted, Sunday then Monday, from 10 p.m. Replacement buses are planned beyond this timetable.
Line D. Be careful of service interruptions during the night from Sunday to Monday. Due to work to renew a signal box, rail traffic between Lyon station and Melun will be interrupted from 9:10 p.m. Sunday to 5 a.m. the next day. Traffic between Paris and Villeneuve-Saint-Georges will be interrupted from 9:30 p.m. to resume the next morning, at the same time as on the Melun axis.
Line E. Only early night closures on the menu of weekend disruptions on the different branches of line E. Saturday, Sunday and Monday, rail traffic will be interrupted from 10:45 p.m. between Saint-Lazare and Chelles-Gournay and from 10:30 p.m. for connections between Paris and Villiers-sur-Marne as well as Tournan. Alternative bus services are in place.
Transilien
K line. No train to wait between Mitry-Claye and Paris Gare-du-Nord from Saturday to Monday inclusive. The SNCF invites users to take the RER B between Paris-Nord and Mitry-Claye to replace the transilien line then to take a train from line K which will operate normally between Mitry-Claye and the Crépy-en-Valois terminus ( Oise)”, suggests the SNCF.
Line P. Almost total closure of line P expected this long weekend. During these three days, no trains will run between Paris-Est and the branch termini of Meaux, Château-Thierry and Ferté-Milon. Replacement bus services are in place between Meaux and Chelles-Gournay (to recover the RER E), Meaux and Château-Thierry as well as Meaux and la Ferté Milon. Plan for 4 buses per hour between Meaux and Chelles but only one passage per hour for other alternative services. The trains of the Paris-Est Coulommiers branch will operate normally but with an earlier end of service at 10:30 p.m. Saturday and 9:30 p.m. Sunday.
Metro
Ligne 13. Due to maintenance work, metro traffic will be interrupted, Saturday, Sunday and Monday inclusive, between La Fourche and Gabriel-Péri stations, on the “Gennevilliers” branch of line 13. A replacement bus service is being provided. in place throughout the long weekend to serve the 3 closed stations.
Orly whale. This weekend, don't count on the Orlyval shuttle to get to Orly airport. The automatic line which connects the Antony RER station to the airport platform is closed, in its entirety, until Tuesday morning to allow “maintenance work”. During the closure, the airport remains accessible by Orlybus shuttle, by tram T7 and by metro line 14.