[Talk-us] braided streets

[Dave Hansen]

On Mon, 2008-04-07 at 23:55 -0700, Alan Millar wrote:
> > The only thing I might do differently is not have the node shared
> > between the railway and the streets.  That's what I did for the TIGER
> > upload: created two nodes at the same location.  One for the street, one
> > for the railway.
> 
> Oh, that was on purpose?  Oops.  JOSM validator complains about them, so
> I've been merging them where I find them.

Bah.  My version doesn't do that. :)

http://dev.openstreetmap.org/~daveh/josm/

Please don't merge them any more.  A common node really means that they
share a point in space and that the point is navigable.  If you can turn
a train on to the street, then it's OK to share the node. :)

> To me, it makes sense to combine them.  If a car will have to drive over
> the tracks, then they should share the same node, it seems.
> 
> I haven't really thought it through.  How does it help to have them be
> separate nodes?

I'm not sure it helps with much.  It's just what I was asked to do long
ago. :)

-- Dave