[Tagging] 'Unknown' value.

OSMDoudou 19b350d2-b1b3-4edb-ad96-288ea1238eee at gmx.com
Mon Feb 5 20:08:10 UTC 2018

You have a point… :-)

The wiki already presents the idea that unknown means "unclear". [2]

Taginfo tells access=unknown has 20 thousand occurrences (i.e. 0.30% and ranking at the 11th position), which makes it not so unusual. [3]

The discussion here shows the value of "unknown" raises confusion, but admittedly if it was "unknown", "unclear", "uncertain", "difficult-to-tell" or whatever, it will always come down to awareness and getting used to the concept.

[2] https://wiki.openstreetmap.org/wiki/Key:access
[3] https://taginfo.openstreetmap.org/keys/access#values 

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