[Talk-us] SPUI mapping

[Paul Johnson]

On Sun, Sep 15, 2013 at 7:23 PM, Greg Morgan <dr.kludge.gm at gmail.com> wrote:

>
> Thanks for the help in the Phoenix area.  I've puzzle on how to map these
> interchanges.  Here's some other examples just down the road from your
> example.  This example is of how the SPUI is typically mapped but seems
> lacking http://www.openstreetmap.org/#map=19/33.65519/-112.00010.  Here's
> one of my attempts with a focus on traffic light placement
> http://www.openstreetmap.org/#map=18/33.67301/-111.97759.  The lights
> hang off the freeway bridge put I placed them at the stop lines on the
> pavement.
>

I think the consensus is these go at the intersecting point controlled by
signals (and multiple signal nodes may be necessary as a result).
 Exception being things like traffic flow meter signals (red/green only
found on some west coast onramps) or weird european enforcement signals
whose examples appear in the "relation=enforcement" wiki page that aren't
at an intersection...
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