The MI 84, also known as the Class Z 8100, is a dual-voltage electric multiple unit trainset that is operated on line B of the Réseau Express Régional, a hybrid suburban commuter and rapid transit sys
A MI 84 on line A in 2012
Original interior of the MI 84
Mi84 at Cité universitaire on B Line
MI 84 at La Défense station on the RER A
The MI 09 is a double-deck, dual-voltage electric multiple unit trainset operated on line A of the Réseau Express Régional, a hybrid suburban commuter and rapid transit system serving Paris and its su
MI 84
…The double-deck trains proved so successful and popular, all remaining single-level trainsets were replaced with another order of double-deckers, the MI 09. After the purchase of the double-deck equipment, the MI 84 trainsets were reassigned to the RER B which needed additional equipment to handle increasing…
MI 09 trainset on the Nanterre viaduct
MI 09 train boarding passengers at La Défense station
MI 09 train stopped at Charles de Gaulle–Étoile station, showing the wide entry doors, level boarding and stairs to upper and lower decks
MI 09 interior, upper deck