Hey Dave, just wanted to give you a heads up about that road I was mentioning (30477989).

https://www.google.com/maps/@18.8122254,99.0074324,3a,75y,257.97h,78.94t/data=!3m6!1e1!3m4!1sTuELMz8w-dcBZvfOXIHRMw!2e0!7i16384!8i8192?entry=ttu
(Also available on Mapillary)

It's a 4-meter-wide road that can fit two cars, but after checking with the global OSM community, the consensus is to use only the lane_markings=no tag for ambiguous cases. 
You can catch up on the vote thread here: https://community.openstreetmap.org/t/when-should-the-lanes-tag-be-applied/107864

To keep things clear in the future, I'll be using lanes_marking=no + width=X + source:width=estimated for similar cases. Just wanted to keep you in the loop.

Cheers, Julien
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            Published using OSMCha: https://osmcha.org/changesets/145664020
            