Unable to answer "Is it restricted who may park here?" for https://osm.org/way/142434779 via StreetComplete 20.2:

This is a bordered off construction site.

Attached photo(s):
https://westnordost.de/p/14970.jpg
https://westnordost.de/p/14971.jpg
https://westnordost.de/p/14972.jpg