[Openstreetmap] Are there any guides for creating common road layouts?

Graham Wall g.hamwall at gmail.com
Thu Dec 1 16:29:54 GMT 2005


> > I'm thinking in particular of things like roundabouts, motorway onramps
> > etc. I know that there's no bezier curves or anything, so how do you guys
> > normally do roundabouts? How many points do you add in?
>
> I would use just the one point in the middle and add some key like
> "roundabount=1".
>

That would only work for mini-roundabouts. Larger ones will have to be
defined as a network of one-way roads. Remember, we'll have to be able
to describe Swindon's magic roundabout at some point:
http://www.swindonweb.com/life/lifemagi0.htm

Graham




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