RER B is one of the five lines in the Réseau Express Régional, a hybrid commuter rail and rapid transit system serving Paris, France and its Île-de-France suburbs. The 80-kilometre RER B line crosses
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
RER B
…letters followed by two numbers. The first letter always indicates the destination. RER B is operated by 117 sets of the MI 79 series and 31 sets of the MI 84 series. These are to be replaced from 2025 by the MI 20 series. Past fleet include the MS 61, which operated on the line from 29 June 1967 to 28 February…