Paris Tramway Line T3 opens extension, to expand further November 24, 2018 | Europe News Ile-de-France Mobilités has inaugurated an extension of Paris Tramway Line T3B. The extension spans 4.3 km from Porte de la Chapelle to Porte d’Asnières, covering eight stations. I... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password