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 <[email protected]> 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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