Île-de-France Mobilités expands RER NG trains service, plans to order 210 trains under RER C modernization
The RER D has expanded operations of its RER NG rolling stock to a second route, while Île-de-France Mobilités has announced the creation of a new Y line for southern Essonne, separating the Dourdan and Saint-Martin-d’Étampes branches from the RER C to improve service reliability.