On 2014-04-11 19:02, Matthijs Melissen wrote : > On 11 April 2014 17:28, SomeoneElse <li...@mail.atownsend.org.uk> wrote: >> Currently, there are 41,000 things tagged "access=designated (1). >> I can understand what "=designated" means for a specifc transport >> type (foot, bicycle, etc.) but not "access". The wiki (2) also doesn't >> know. > The wiki does know: > > | access=designated is not defining what is designated and is > | meaningless. > > > All access=designated tags should be removed.
I'm glad you raised this subject because I had the following dormant for long in my drafts to send. I'm glad that nobody understands that tag either and that I'm not stupid. This is another mad story I will close and archive next to noexit=no. And the worst of it all is that I was going to ask because, once again, this tag stands in the wiki as instructions specific to a country for which it is said to have no meaning. Yes, a mad fuzzy world. Good job jobbed, Cheers, André. > Hi, > > A routing software does not use fuzzy but strict logic when deciding > where moving objects are allowed to go. > Hence, unlike some other tags, access restriction tags must be defined > and used strictly. > I'm trying to understand "designated" in strict way. > Does it mean that they can go, cannot go or is it adornment? >> >> >> Tag:access=designated >> >> *This tag indicates that a route has been specially designated* >> (typically by a government) for use by a particular mode (or modes) >> of transport. *The specific meaning varies* according to >> jurisdiction. *It may* imply extra usage rights for the given mode of >> transport (i.e. normally a vehicle is banned, but in this case it is >> allowed), or may be just a suggested route (e.g. bicycles can in most >> jurisdictions ride on any street, but some particular streets are >> recommended and signed as such.) . To indicate an exclusive access >> see access <http://wiki.openstreetmap.org/wiki/Key:access>=official >> <http://wiki.openstreetmap.org/wiki/Tag:access%3Dofficial>, or just >> use access <http://wiki.openstreetmap.org/wiki/Key:access>=no >> <http://wiki.openstreetmap.org/wiki/Tag:access%3Dno> in addition to a >> mode-specific key (foot >> <http://wiki.openstreetmap.org/wiki/Key:foot>=designated >> <http://wiki.openstreetmap.org/wiki/Tag:foot%3Ddesignated>, bicycle >> <http://wiki.openstreetmap.org/wiki/Key:bicycle>=designated >> <http://wiki.openstreetmap.org/wiki/Tag:bicycle%3Ddesignated>, etc.) >> > > So, designated means that the route has been designated. > Dictionary: to mark or point out; indicate; show; specify. to denote; > indicate; signify. to name; entitle; style. > But replacing "designated" with any of them doesn't make it any clearer. > And the specific meaning varies according to jurisdiction !!! > It may, ..., or maybe ... but what *does* it? > To me, the word seemed to mean "reserved" or "mandatory" access, but > we're far from the required certainty. > Guided by "according to juridiction" I might have to look into the > driving code but I doubt my GPS software will do it. > I found this "localisation": >> *designated = yes:* There's no reason for a "designated" access tag >> in Belgium as there is no reason why one has more rights over the >> other on any of these highway types when different vehicle types have >> access to a road. "designated" is therefore synonym with "yes". >> Footways could both be signed with a sign that doesn't show a >> pedestrian at all, and one that does, so basing a designated tag on >> traffic signs is also flawed. > I humbly confess I do not understand. Why would "designated" be > unsuitable to qualify a road for the sole usage of pedestrians because > "no one has more rights over the others on the other ways where > different vehicle types have access"? > > Looking at the examples... > > A UK /bridleway/: > > * horse <http://wiki.openstreetmap.org/wiki/Key:horse>=designated > <http://wiki.openstreetmap.org/wiki/Tag:horse%3Ddesignated> > * bicycle <http://wiki.openstreetmap.org/wiki/Key:bicycle>=yes > <http://wiki.openstreetmap.org/wiki/Tag:bicycle%3Dyes> > * foot <http://wiki.openstreetmap.org/wiki/Key:foot>=yes > <http://wiki.openstreetmap.org/wiki/Tag:foot%3Dyes> > > This seems to mean that horse > <http://wiki.openstreetmap.org/wiki/Key:horse>=designated > <http://wiki.openstreetmap.org/wiki/Tag:horse%3Ddesignated> implies > bicycle <http://wiki.openstreetmap.org/wiki/Key:bicycle>=no > <http://wiki.openstreetmap.org/wiki/Tag:bicycle%3Dyes> > > A UK /footway/: > > * foot <http://wiki.openstreetmap.org/wiki/Key:foot>=designated > <http://wiki.openstreetmap.org/wiki/Tag:foot%3Ddesignated> > * bicycle <http://wiki.openstreetmap.org/wiki/Key:bicycle>=no > <http://wiki.openstreetmap.org/wiki/Tag:bicycle%3Dno> > * horse <http://wiki.openstreetmap.org/wiki/Key:horse>=no > <http://wiki.openstreetmap.org/wiki/Tag:horse%3Dno> > > and hence, this is nonsense.
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