So far two of the low-floor LRVs have been delivered by Bombardier which were used for the trials. Series production also has started, with delivery due to begin in January 2019 at a rate of one tram per month. A total of 119 trams are on order with an option for another 35.

The new trams will be based at Favoriten depot for use on lines D, 1, 6, 67 and 71. Following the delivery of class Ds, Wiener Linien will be able to withdraw the remaining class E1 and E2 high-floor trams.

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