European Intercity Train (EuroCity, EC)
Under the high-speed rail of the Arrow series is the intercity train (IC, EC), and the EC train is the international version of the IC. European intercity trains, usually connected to major cities in Europe, including the Austrian Vienna and other OBB companies, to France and Paris, etc. operated by SNCF.
Ultimate Guide to French Railway
The French railway system is planned and constructed by the French National Railway Agency (Socicte Nationalc des Chemins de Fer Francais, abbreviated as SNCF). The route is centered on Paris and woven in all directions, including high-speed trains (Train a Grande Vitesse, abbreviated as TGV). Routes, and general train routes that go to cities and towns. Among these general train routes, the nationwide inter-regional route is called the "Grande Ligne" (GL for short), and the routes that only travel within a single area are collectively called "Regional Rapid Transport System" (Transports Express Regionaux, referred to as TER).
(https://sematicweb.detie.cn/railways/...