Paris, France.
T9 will begin at Porte de Choisy with connections to Métro Line 7 and T3a. It will run south towards Fer à cheval, passing through Paris, Ivry-sur-Seine, Vitry-sur-Seine, and Choisy-le-Roi. A connection to the future Métro Line 15 is available at Vitry Centre (Hôtel de Ville de Vitry on the map).
http://www.tramway-t9.fr/