Île-de-France tramway Line 13 Express
Île-de-France tramway Line 13 Express is a suburban tram-train line in Yvelines, west of Paris, which opened on 6 July 2022. The line is operated by Transkeo T12-T13, a joint venture 51% owned by Keolis and 49% by SNCF Voyageurs, but operation will be taken over by RATP Cap Île-de-France by 2026.
The line replaced a former branch of Transilien Line L between Saint-Germain-en-Laye–Grande-Ceinture station and Noisy-le-Roi station, going further north to Saint-Germain-en-Laye station and further south to Saint-Cyr station.
Alstom Citadis Dualis tram-trains, U 53800 series, are used on the line. They are 42 meters long and capable of speeds up to 100 km/h.