Major maintenance and regeneration work on the catenaries on the RER C branches. RER E work will require the closure of the various axes of line E from 10:30 p.m., Saturday and Sunday.
Transilien line J will not run between Issou-Porcheville and Mantes-la-Jolie in Yvelines. Line H trains will not running between Gare du Nord and Saint-Denis nor between Ermont-Eaubonne and Pontoise in Val-d'Oise.