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.
Source: Wikipedia — Tramways in Île-de-France (CC BY-SA 4.0)