[OSM-talk] Revisiting traffic control and traffic calming

Paul Johnson baloo at ursamundi.org
Fri May 12 06:31:24 UTC 2017


On Fri, May 12, 2017 at 1:28 AM, Marc Gemis <marc.gemis at gmail.com> wrote:

> On Fri, May 12, 2017 at 8:20 AM, Paul Johnson <baloo at ursamundi.org> wrote:
> >
> >> to: the collection of ways one can travel to after stopping/giving
> >> way/waiting for traffic signal. This would include the from way so
> >> u-turns have to obey the sign/signal as well.
> >
> >
> > Yes.  At a minimum, a stop, give_way, traffic_signals or traffic_calming
> > relation would have 1 from, 1 intersection and 1 to.
>
> Does that mean that for the examples on
> https://wiki.openstreetmap.org/wiki/Tag:highway%3Dtraffic_signals with
> at least 1 dual carriage way, one will need 4 relations ?


Simplest case, traffic signal impacts all movements, dual carriageway
north-south, single-carriageway east-west, you would have 1 relation with
four from, four to, and two intersection roles.
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