[Talk-ca] restriction=no_right_turn_on_red causing routing problems in Toronto

James james2432 at gmail.com
Tue Jun 28 19:45:46 UTC 2016


As andrew said might want to file a bug report with them. Do not map for
presentation/an application. The application needs to conform to the data
On Jun 28, 2016 3:25 PM, "Nathan Wessel" <nate.wessel at mail.utoronto.ca>
wrote:

> The signs are pretty common, but the tag is not as there are only about 80
> of them in the GTA and 181 worldwide. I'm wondering if there might be a
> more appropriate way to tag these, instead of tagging them as a
> restriction? Perhaps something like "restriction:signal"="no_turn_on_red",
> so that it doesn't get picked up on a search for the 'restriction' key? I
> don't think the developers are likely to bother checking for such an
> uncommon tag at this point.
>
>
> I'm routing with OSRM <http://project-osrm.org/>, which is also used on
> the homepage of openstreetmap.org.
>
>
> -Nate
>
> ------------------------------
> *From:* James <james2432 at gmail.com>
> *Sent:* Tuesday, June 28, 2016 3:19:28 PM
> *To:* Nathan Wessel
> *Cc:* Talk-CA OpenStreetMap
> *Subject:* Re: [Talk-ca] restriction=no_right_turn_on_red causing routing
> problems in Toronto
>
>
> What application were you using to route?
> On Jun 28, 2016 2:13 PM, "Nathan Wessel" <nate.wessel at mail.utoronto.ca>
> wrote:
>
>> Hi all,
>>
>> I'm hoping to get some advice on what to do with a relatively uncommon
>> turn restriction tag currently in use in Toronto and Ottawa.
>>
>>
>> https://taginfo.openstreetmap.org/tags/restriction=no_right_turn_on_red
>>
>>
>> There are about 80 of these 'restriction's in the GTA, and I've noticed
>> that they are preventing any right turns when I attempt to route using
>> OSRM. I posted about this on the restrictions talk page, here
>> <http://wiki.openstreetmap.org/wiki/Talk:Relation:restriction#No_Turn_On_Red>,
>> and someone suggested that because the restriction value starts with 'no_',
>> it is, and should be, treated like an absolute restriction which prevents
>> any turns from the 'from' way to the 'to' way.
>>
>>
>> Anyway, I'm hesitant to outright delete these because I presume they
>> contain some potentially useful information, but I also need them to stop
>> restricting turns so I can use the data for routing. Maybe these should not
>> be 'restriction's, but something else?
>>
>>
>> I'd be happy to make the edits if someone can come up with a good
>> suggestion here.
>>
>>
>> Thanks,
>>
>> *Nate Wessel*
>> Jack of all trades, master of geography
>>
>> 1-330-936-2849
>>
>> Vesalius Design <http://www.vesaliusdesign.com>
>>
>> _______________________________________________
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>> Talk-ca at openstreetmap.org
>> https://lists.openstreetmap.org/listinfo/talk-ca
>>
>>
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