[talk-au] Tagging the little joiner road bits on a dual carriage way

[Ross Scanlon]

On Sat, 21 Nov 2009 14:02:36 +1100
Matt White <mattwhite at 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.

-- 
Cheers
Ross