Unable to answer "Is this a one-way street? In which direction?" – Trille Nielsens Gade (Minor/Unclassified Road) – https://osm.org/way/1265480170 via StreetComplete 59.1:

Indkørsel for køretøjer forbudt, medmindre du er beboer.

Attached photo(s):
https://westnordost.de/p/243446.jpg