[OSM-talk] Non-junctioning crossing roads

[Steve Bennett]

Thanks Pieren, that's the kind of answer I was looking for: NO it's never a
good idea to have two highways cross at the same level without an explicit
junction.

Steve

On Wed, Dec 2, 2009 at 1:44 AM, Pieren <pieren3 at gmail.com> wrote:

> On Tue, Dec 1, 2009 at 2:42 PM, Steve Bennett
>
> Be careful. The question about the junction node is NOT about routing
> but about physical modeling. Even if both roads are not allowing
> turning left or right, you have to add a junction node (and the
> relations about turning restrictions), othewise we will interpret them
> as being at different levels and perhaps the tags "layer" and "bridge"
> are missing. It is the same if a road is crossing a railway : add a
> junction node if they are at the same physical level (then add the tag
> junction=crossing or level_crossing) and DON'T create a junction node
> if they are at different levels (then add the tags bridge/tunnel/layer
> as usual).
>
> Pieren
>
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