Ross Scanlon wrote: > On Sat, 21 Nov 2009 14:02:36 +1100 > Matt White <mattwh...@iinet.net.au> wrote: > > >> I should probably know how to do this, but's what's the accepted >> technique for tagging the u-turn points and the like in a dual carriage >> way? I think they shoud probably be just little links between both ways, >> probably of the same highway type as the road they are linking, but they >> are nameless. >> >> A little ascii art to illustrate the problem: >> >> |b |c >> | | >> | a | >> |-------| >> | | >> | | >> | | >> | | >> >> So b and c are the parallel ways, and a is the linker road. >> >> Mostly, I think it's done making the linker bit either tagged as >> primary_link, secondary_link or just tertiary/residential. >> >> Now we have some decent hi-res imagery courtesy of nearmap, it's a lot >> easier to locate these linker ways >> >> Matt >> > > > Are there other roads that join where a meets b and/or c? > > If so then should be tagged with the road that joins there, see here: > > Possibly highway=service if it's not for general access, ie emergency > services only. > > Otherwise the same as b and c are tagged. > > That's pretty much what I figured and what I've been doing (there's no other roads - ie: a isn't part on another road)
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