Hi Mateusz, It seems this tag is a combination of waterway=canal and disused=yes.
I'm not so in favor of such value (derelict_canal). There are two different information in one value. Just my 2 cts. François *François Lacombe* fl dot infosreseaux At gmail dot com www.infos-reseaux.com @InfosReseaux <http://www.twitter.com/InfosReseaux> 2015-08-23 17:32 GMT+02:00 Mateusz Konieczny <matkoni...@gmail.com>: > To people using this tag: please, update and clarify documentation of > this tag on OSM wiki. For example it is even unclear whatever it should > be expected that it can be applied to canals no longer filled with > water. > > "used for transportation, waterpower, or irrigation" so filled by water > seems intended as implied - but canal that is drained and converted > into cycleway also fits "transportation". > > On the other hand name (at least for me) implies canal where earthwork > is present but is no longer filled with water. > > See http://wiki.openstreetmap.org/wiki/Tag:waterway%3Dderelict_canal > and https://github.com/gravitystorm/openstreetmap-carto/issues/1003 > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging >
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