Unable to answer "How many car lanes does this road have?" – Calle de Joaquín Blume (Residential Road) – https://osm.org/way/128896151 via StreetComplete 59.3:

Son dos carriles uno en cada sentido sin separar. Hay pasos de cebra no marcados

Attached photo(s):
https://westnordost.de/p/251833.jpg