Unable to answer "How many car lanes does this road have?" – Lemberger Straße [L 486] (Secondary Road) – https://osm.org/way/451335311 via StreetComplete_ee 61.1:

Je eine Fahrspur pro Richtung, plus Linksabbiegerspur Richtung "Am Kiesweg"

Attached photo(s):
https://streetcomplete.app/p/320762.jpg