luja
Unable to answer "How many lanes for cars does this road have?" for https://osm.org/way/24453198 via StreetComplete 33.2:

it is more complicated.
look at the pictures of the entrance to cern
open for incoming vehicles in the morning
open for outgoing vehicles in the afternoon

bike and pedestrian entrance to the left

Attached photo(s):
https://westnordost.de/p/56258.jpg
https://westnordost.de/p/56259.jpg
https://westnordost.de/p/56260.jpg
https://westnordost.de/p/56261.jpg