Final stretch to finalize the connection work to the future Rosny-Bois-Perrier terminus, in Seine-Saint-Denis. This major project for the Parisian Régie aims to connect the current terminus of line 11, Mairie des Lilas.

In total, no less than 80,000 people will benefit from this extension. The work, started in 2016, will have cost 1.3 billion euros, according to RATP. The line must, as planned, be partially closed from this Friday, April 12 until April 27, with a resumption of normal service the next day, Monday April 29, across the entire line. The dry run aimed at training all drivers in the new piloting system and driving on the new extended line will begin on Monday April29, in normal operating conditions but without travelers. Finally, note that until May 29, trains will not stop at Porte de Lilas station in the direction of Mairi des LilAs only.