[Tagging] Roundabouts and routing

Nathan Edgars II neroute2 at gmail.com
Fri Sep 9 12:55:35 BST 2011

On 9/9/2011 7:14 AM, Martin Koppenhoefer wrote:
> I also agree with others that those links shouldn't be tagged
> junction=roundabout. I'd tag the links into the roundabout in the
> example highway=trunk_link, oneway=yes (and maybe even lanes=1 if
> applies).

I'd tag them the same as the road they lead to (with an additional 
oneway=yes and necessary changes like halving the lane count). Otherwise 
you end up treating dual carriageways that end at roundabouts 
differently from single carriageways.

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