Pedestrian footpath linking the two roadways and crossing the train tracks.

via StreetComplete 42.0

Attached photo(s):
https://westnordost.de/p/89844.jpg

Unable to answer "What kind of building is this?" for way/618478754 via StreetComplete 42.0:

These are multiple detached houses that have been drawn incorrectly on the map.

Edificio del Hotel Boutique Museo
947257360
https://hotel-boutique-museo.hotelescuatroestrellas.website/

Aquí no

TH Aravaca Aparthotel
913571600
https://www.booking.com/hotel/es/tharavaca.es.html

entrada

Volea
914882212
https://www.volea.net/
info@volea.net

cancha

Taberna La Trucha
https://www.tabernalatrucha.es/
+34 910 661 810

Neotaberna de Santerra

919070415
https://santerra.es/neo-taberna/