Hello Dave, appreciate the photo. I've noticed roads with lanes shorter than 4 meters too! In such instances, I suggest that borderline cases skip the lanes tag and opt for specifying the width instead. I've sought clarification on the forum, but uncertain if I'll receive a response:

https://community.openstreetmap.org/t/when-should-the-lanes-tag-be-applied/107864/2
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            Published using OSMCha: https://osmcha.org/changesets/145664020
            