Unable to answer "Do you have to wait for a traffic signal to cross here?" – Crossing – node/426890147 via StreetComplete 57.0:

Don't exist.

"maybe it’s underground, but there is no visible sign of a toilet on street level"
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2024-08-10T16:22:45Z
POI has no name
POI types: wheelchair-limited fee-yes amenity-toilets
#organicmaps ios

POI has no name
POI types: tourism-apartment
OSM data version: 2023-08-19T03:34:12Z
#mapsme

Restaurant libanais

check, seems to have changed

Gestoria Santiveri

"no exsiteix a openstreetmaps"
OSM snapshot date: 2024-06-27T11:37:16Z
POI name: Hospital quironsalud otorrinolaringoleg
POI types: amenity-hospital
#organicmaps android

Aparcament públic. https://www.telpark.com/es/ciudades/barcelona/parking-iqs/

how this connects to remaining network?