The SNCF

SNCF

The SNCF , is France's national state-owned railway company. SNCF operates the country's national rail services, including the TGV, France's high-speed rail network...

 Class BB 17000 B-B AC electric locomotive

Electric locomotive

An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or an on-board energy storage device...

s built between 1965 and 1968. It performs suburban duties on railway lines around Paris

Paris

Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

, notably VB2N

Voiture de banlieue à 2 niveaux

Voiture de Banlieue à 2 Niveaux, VB2N is a type of double-deck passenger car used on French railways on suburban rail in Île-de-France.The coaches, built from 1974, are the successors of the Chemin de Fer de l'État's 1933 built Voiture État à 2 étages. They are used on suburban lines from Gare...

 carriages. They are monophase locomotives (running off 25 kV overhead supply) and have the nickname "danseuses" or "dancers". Since November 2007, 16 of the 105-strong class

Class (locomotive)

Class refers to a group of locomotives built to a common design for a single railroad. Often members of a particular class had detail variations between individual examples, and these could lead to subclasses. Sometimes technical alterations move a locomotive from one class to another...

 of locomotives have been scrapped.

Service

After spending a varied first part of their careers hauling different types of train, the locomotives were regrouped for use on the Parisian "trains de la banlieue" or suburban trains. They are now all owned and operated by Transilien

Transilien

The Transilien is the brand name for suburban railway services of the SNCF-owned railway network operating within the Île-de-France région...

.