Unable to answer "What surface does this piece of road have?" – Largo Senhor da Agonia (Residential Road) – https://osm.org/way/1266883831 via StreetComplete 57.4:

This road doesn't exist. The square isn't even connected to the northern road. Photo taken from the southern end of the road, looking north.

Attached photo(s):
https://westnordost.de/p/218947.jpg