Can somebody from locals clarify this road for something, that impacts on traffic?

Unable to answer "What type of bicycle barrier is this?" for osm.org/node/1664784243 via StreetComplete 40.2:

Pic

Attached photo(s):
https://westnordost.de/p/82203.jpg

There is a drivable private road here, and it connects to the south road by a stone staircase (walking only)

Trosterud skole

Ikke offentlig tilgjengelig vei inn på tun.

"Busstopp lagt ned. "
The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.
POI name: Søndre Dal
POI types: highway-bus_stop
OSM data version: 2019-04-19T10:36:02Z
#mapsme

Cave?

The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.
POI has no name
POI types: building-address
OSM data version: 2021-05-11T18:00:52Z
#mapsme

Demolished

Unable to answer "Is it lit here?" for osm.org/way/24072049 via StreetComplete 51.1:

Vanskeleg å seie. Det er ljoskastarar, men dei er ikkje på heile tida.