Unable to answer "How many car lanes does this road have?" – Javastraat (Minor/Unclassified Road) – https://osm.org/way/7045607 via StreetComplete 57.3:

Ot is a split road. Closed for car traffic in the westward direction.

Attached photo(s):
https://westnordost.de/p/214782.jpg
https://westnordost.de/p/214783.jpg