Mairie de Montrouge to Bagneux (2020): 1.9 km, 2 stations
Front Populaire to Maire d'Aubervilliers (2019): 2 stations
Saint Lazare to Mairie de Saint Ouen (2019): 5.5km, 4 stations
Preparatory work
Mairie des Lilas to Rosny-Bois-Perrier (2022): 5.4 km, 6 stations
Noisy - Champs to Pont de Sèvres (2022): 33 km, 20 stations
RER
U/C
New station: Rosa Park (end of 2015)
Preparatory work
Haussmann Saint-Lazare to Nanterre-La Folie (2020): 8 km 3 stations
Extension from Nanterre-La Folie to Mantes-la-Jolie (2022) using refurbished existing infrastructure (2022): 45 km 10 station