Tramways in Île-de-France

The Île-de-France tramways (French: Tramways d'Île-de-France) is a network of modern tram lines in the Île-de-France region of France. Fifteen lines are currently operational (counting Lines T3a and T3b as separate lines), with extensions and additional lines in both construction and planning stages. Although the system mainly runs in the suburban regions of Paris, lines T3a and T3b run entirely within Paris city limits, while lines T2 and T9 start their routes within Paris' borders. While lines operate independently of each other and are generally unconnected, some connections do exist: between lines T2 and T3a (at the Porte de Versailles station, since 2009), T3a and T3b (at the Porte de Vincennes station, since 2012), T1 and T5 (at the Marché de Saint-Denis station, since 2013), T1 and T8 (at the Saint-Denis train station, since 2014), T8 and T11 (at two stations: Villetaneuse-Université and Épinay-sur-Seine, since 2017), T3a and T9 (at the Porte de Choisy station, since 2021) and T6 and T10 (at Hôpital Béclère, since 2023). However, the final design of the entire planned tram network is fairly integrated. (The prefix "T" in tram line numbers avoids confusion with the numbering of Paris Métro lines.)

Most lines (with the exceptions of lines T4, T9, T11, and T13) are operated by the Régie Autonome des Transports Parisiens (RATP), which also operates the Paris Métro and most bus services in the Paris immediate area. Furthermore, while most lines use conventional steel-wheel rolling stock, two lines (T5 and T6) use rubber-tired trams. Lines T4, T11, and T13 are tram-trains, sharing tracks with main-line railways, and are operated by the French national rail operator SNCF as part of its Transilien regional rail network (except Line T11 which is operated by SNCF's subsubsidiary Transkeo).