On Thu, Aug 11, 2011 at 8:55 PM, <osm.tagg...@thorsten.engler.id.au> wrote:
> I've been thinking a bit more about tagging ways. In my case, I mostly have > ways along the physical location of the kerb as I use them as the border of > landuse areas, but should it also be allowed to tag them on highway=* ways? > > The assumption would be that if a way has both the highway and the kerb tag > that the way does not represent the physical location of the kerb, but the > kerb is at the outer edge (exact location given implicitly by the width tag > on the highway, undetermined if not present) of the highway. > > In this case, kerb:left=* and kerb:right=* should be allowed if the kerb is > different on the 2 sides of the highway. > I'm having trouble understanding what the value of this would be, and it would make things confusing, to have the meaning of a key be contingent on the value of another. I think the kerb=* tag has value because it assists with routing, in determining what ways are foot/bike/wheelchair accessible. I see no problem in marking the actual physical location of kerbs with ways though, because it is a very good representation of the real world. However, if someone really wants to tag a highway=* to indicate a kerb is on the outer edge, it's better to not use the kerb=* key but rather kerb:left/kerb:right/kerb:both, so there is no confusion. -Josh
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