[Talk-us] SPUI mapping

[Alex Rollin]

I would just like to say thank you for sharing.  I really appreciate the
hard work everyone is putting into mapping these.

Here in Indonesia every intersection 'seems' like a roundabout with no
roundabout, and I am quite envious of your elegant SPUIs.

http://osm.org/go/tZ7rWmAuY?node=319887585


A

--
Alex


On Mon, Sep 16, 2013 at 9:33 PM, Steve Coast <steve at asklater.com> wrote:

> As nobody has linked to it yet;
>
> https://en.wikipedia.org/wiki/SPUI
>
> Steve
>
> On Sep 15, 2013, at 6:23 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.  The additional junction and routing relations are a nice plus in
> your example.
>
> Note that we have had one mapper in the area that removed highway
> crossings because he thought that they were excessive.  I wonder what he
> will do with turn restrictions?  I don't know if his feelings are based on
> the way iD or Potlach displays these types of features.
>
> Regards,
> Greg
>
>
>
>
> On Sat, Sep 14, 2013 at 7:52 AM, Martijn van Exel <m at rtijn.org> wrote:
>
>> Hi all,
>>
>> Here in Utah, we have a DOT that is really into SPUIs (Single Point
>> Urban Interchanges). They are supposed to increase traffic flow in
>> high volume freeway to surface interchanges.
>>
>> Here's an example:
>> http://www.openstreetmap.org/?#map=19/33.62963/-111.89021 (not in
>> Utah)
>>
>> This is one I (re)mapped yesterday. I try to stay close to the
>> situation on the ground, the result being a lot of turn restrictions.
>> I have also seen situations where all the ramps and connectors come
>> together at the center, easier to map I guess.
>>
>> I am looking for opinions on how to map these complex interchanges.
>> Could a few of you have a look at what I did and comment? Thanks.
>>
>> --
>> Martijn van Exel
>> http://oegeo.wordpress.com/
>> http://openstreetmap.us/
>>
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