groundbreaking on the branch of the u2 from jungfernstieg to hafencity, now known as the u4, took place on 23 august 2007, with construction beginning in february 2008. the station structure was completed on 11 may 2010 and interior work took place until its opening two years later. until 10 august 2013, hafencity universität station was open only on weekends and public holidays; since then it is served regularly.