On the Gare Montparnasse suburban network, VB2Ns are used on: Gare Montparnasse – Rambouillet station Gare Montparnasse – Dreux station Gare Montparnasse – Mantes-la-Jolie station via Versailles-Chantiers station They were propelled by SNCF Class BB 25500 and BB 8500 before 2006, now by SNCF Class BB 27300, and . The VB2Ns used on Transilien Line N has a different number scheme. Their running number begins with a number representing the number of coaches the consist of VB2N possesses, followed by a letter, beginning with A. Retirement The VB2N equipment was retired starting in 2019, as Île-de-France Mobilités and SNCF replaced them with newer equipment. Since early 2019, the VB2N trains on the Transilien Line J are gradually being replaced by the Z 50000 "Francilian" single-level electric multiple unit (EMU) trainsets. Starting in 2021, the VB2N trains on the Transilien Line N are scheduled to be replaced by new Regio 2N (Z 57000) double-deck EMU trainsets. Additionally, starting in 2022, some of the Transilien Line J traffic between Paris and Mantes-la-Jolie will be shifted to an extension of the RER E line which will be equipped with Z 58000 "RER NG" double-deck EMU trainsets. Derivative series Two other series of French trainsets are derived from the VB2N : -Voiture Omnibus à 2 Niveaux (VO2N) VO2N which are a series of trainsets intended for TER (regional express train) links in the Haute Normandie, Picardie and Centre-Val de Loire regions. -Voiture Régionale à 2 Niveaux (VR2N) VR2N which are also trainsets intended for regional TER services in the Nord-Pas-De-Calais region. References See also Voiture État à 2 étages SNCF coaching stock Double-decker rail vehicles