For completeness, I have updated https://map.atownsend.org.uk to show
unsigned road names in brackets and unsigned refs in brackets at the end
of the name. The tags "highway_authority_ref" "admin_ref" and
"official_ref" are assumed to be unsigned.
Examples:
https://www.openstreetmap.org/way/135465545
https://map.atownsend.org.uk/maps/map/map.html#zoom=18&lat=54.099587&lon=-1.0061
(neither the name nor the highway_authority_ref here appear on the road)
https://www.openstreetmap.org/way/148638397
https://map.atownsend.org.uk/maps/map/map.html#zoom=19&lat=52.90617&lon=-1.450913
(the name is signed but the ref isn't)
https://www.openstreetmap.org/way/89182833
https://map.atownsend.org.uk/maps/map/map.html#zoom=20&lat=54.2394176&lon=-2.857967
(no name, and the admin_ref is presumably unsigned)
https://www.openstreetmap.org/way/55579162
https://map.atownsend.org.uk/maps/map/map.html#zoom=21&lat=52.6307176&lon=1.3776586
(name but different ref and highway_authority_ref)
There are combinations that aren't handled perfectly (especially where
roads have a mixture of different refs) and I'll look at some of these
edge cases later. Hopefully though as things stand it's useful to
people who really want to see these "official" refs.
Best Regards,
Andy
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