Unable to answer "How many car lanes does this road have?" for https://osm.org/way/843092443 via StreetComplete_ee 53.32:

This side of Cabot Square has been closed off to provide outdoor seating for restaurants/bars.

Attached photo(s):
https://westnordost.de/p/171468.jpg
https://westnordost.de/p/171469.jpg