Thanks Warin,
I maybe should have explained myself a bit better; I was actually
referring to the ways leading into the roundabout, rather than the
roundabout itself. :)
On 2021-11-15 20:38, Warin wrote:
On 15/11/21 6:18 pm, Dian Ågesson wrote:
Hello,
Quick question, as I'm not sure that there is an established consensus
in Australia for this.
Where a way leading to a roundabout has a small traffic island, what
is the preferred way to map? I have seen both the "traffic island as a
node" approach (because they aren't really separate carriageways) and
the "splitting ways" approach (because physical separation and more
"detailed).
Specific examples: https://www.openstreetmap.org/way/121203404/history
<https://www.openstreetmap.org/way/121203404/history> or
https://www.openstreetmap.org/way/603989993
<https://www.openstreetmap.org/way/603989993>
Is there a preferred approach, or does it not really matter? If
splitting ways, are u-turns restrictions required?
Roundabouts are one way. So do ing a U turn by going the wrong way in
the roundabout would be against the law. I'd think all roundabouts
would be one way.
I have yet to see a 'no U turn' on them and they do make a good safer
place to do a u turn if you do the correct thing.
There are very small roundabouts that have a specific tag ... basically
these are a white painted circle on the road - they as so small that
trucks and buses need to go over the centre ... those I'd only do as a
node.
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