In 2011 Üstra placed an initial €126m order for 50 of the high-floor bi-directional vehicles with two options for a total of 96 additional units. The first option for 50 vehicles was exercised in November 2013.

The first TW 3000s entered service in March 2014 and the vehicles are now used on lines 3, 4 and 7.

The 25.2m-long 600V dc vehicles accommodate 175 passengers, 54 of them seated.

Delivery of vehicles from the second option is due to be completed by the end of 2019. The state of Lower Saxony is contributing €63.6m towards the €127.3m order.

As consortium leader, Kiepe Electric is responsible for bodyshells and electrical systems including HVAC. Alstom is supplying bogies for the order.

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