Colin Smale wrote:
... "Unsuitable for HGVs" is seen frequently in the UK. ...
Taginfo gives 318 occurrences of hgv=unsuitable. The principle of
hgv=* (and other vehicle-class tags) using the same values as access=*
would also suggest there is some merit in documenting "unsuitable" as
a recognised value.
I'm still not convinced that "hgv=unsuitable" is be a valid access tag.
Access _rules_ in England and Wales are complicated enough already
without trying to include what may or may not be a good idea because you
might get stuck. That said, I don't yet know of a "good" way of
recording the information beyond sticking it in a note. FWIW I asked a
similar question a couple of years ago on talk-gb:
https://lists.openstreetmap.org/pipermail/talk-gb/2011-October/012221.html
My guess (and it is just a guess because I haven't done it) would be
that if you wanted to create an HGV-aware routable map it wouldn't be
that difficult to process whatever HGV tags (along with surface and
whatever else) there are (in notes and elsewhere) to determine "don't go
down here". Only when someone's done a first pass of that will people
be able to point to a road near them and say "that road should not be
suggested or included because...". Until someone comes up with a better
suggestion for tagging it's just important to record "unsuitable for
HGVs" in some manner so that it can be converted to whatever better
scheme emerges in the future.
Cheers,
Andy
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