The 135m-long 34m-wide depot will be located between Legienstrasse and Billstedt on Line U2/U4. The €44m facility will have four tracks, each capable of accommodating full-length 120m-long trains, with capacity to inspect, maintain, and clean up to 28 trains per day.

Construction will begin early next year and the projct is due to be completed at the end of 2018.

Hamburger Hochbahn is planning to increase its U-Bahn fleet from 230 to 260 vehicles by 2030 to support the expansion of the network.