As of 01.07.2017, Alstom Citadis Dualis trams are in revenue service on the T11 ‘Express’ tram line in Paris. Fifteen vehicles will enter service on the first part of the T11, connecting Epinay-sur-Seine with Le Bourget.
After 2023, the T11 Express line will be extended towards the east and the west. For the sections Sartrouville – Epinay-sur-Seine and Le Bourget – Noisy-le-Sec another 38 vehicles will be needed.
The Citadis Dualis is Alstom’s so-called tram-train, developed for running on both innercity tram networks as well on mainline rail networks. The T11 tram-trains are part of a framework contract signed by Alstom and SNCF in 2007 for up to 200 sets. Two options have been exercised for Ile-de-France, the one for T11 in June 2014, and one for 15 trains in December 2015, to be delivered from October 2017 with commercial commissioning planned for 2018 on line T4.
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— IDF Mobilités (@IDFmobilites) June 30, 2017