Personally I think it's overkill On 10 March 2017 at 13:12, Adam Snape <adam.c.sn...@gmail.com> wrote:
> Thanks Brian, > > That's what I'd observed to be the norm around here too. But, is the more > verbose option to be encouraged because it explicitly notes the presence of > traffic lights for road traffic (crossing=traffic_signals just means > signals for pedestrians), or is it just unnecessary complexity (the > presence of vehicle traffic signals could implied from the presence of > pedestrian ones) ? > > Regards, > > Adam > > On 10 March 2017 at 12:55, Brian Prangle <bpran...@gmail.com> wrote: > >> Hi Adam >> >> I think option 1 is the consensus way to map these, certainly so in the >> West Midlands. Option 3 is more verbose but not incorrect. Option 2 omits >> the salient feature which is highway=crossing and so is not recommended >> >> Regards >> >> Brian >> >> On 9 March 2017 at 12:23, Adam Snape <adam.c.sn...@gmail.com> wrote: >> >>> Hi >>> >>> I recently noticed this changeset comment: >>> https://www.openstreetmap.org/changeset/46680980 >>> >>> It seems that the Wiki suggests three alternative ways of mapping a >>> pedestrian traffic-light controlled crossing: >>> 1. Entire crossing mapped as a node: highway >>> <https://wiki.openstreetmap.org/wiki/Key:highway>=crossing + crossing >>> <https://wiki.openstreetmap.org/wiki/Key:crossing>=traffic_signals >>> <https://wiki.openstreetmap.org/wiki/Tag:crossing%3Dtraffic_signals> >>> 2. Entire crossing mapped as a node (alternative): highway >>> <https://wiki.openstreetmap.org/wiki/Key:highway>=*traffic_signals* + >>> crossing <https://wiki.openstreetmap.org/wiki/Key:crossing>= >>> traffic_signals >>> <https://wiki.openstreetmap.org/wiki/Tag:crossing%3Dtraffic_signals> >>> 3. Crossing mapped separately and tagged highway >>> <https://wiki.openstreetmap.org/wiki/Key:highway>=crossing >>> <https://wiki.openstreetmap.org/wiki/Tag:highway%3Dcrossing> + crossing >>> <https://wiki.openstreetmap.org/wiki/Key:crossing>=traffic_signals >>> <https://wiki.openstreetmap.org/wiki/Tag:crossing%3Dtraffic_signals> >>> Traffic lights tagged: highway >>> <https://wiki.openstreetmap.org/wiki/Key:highway>=*traffic_signals* + >>> crossing <https://wiki.openstreetmap.org/wiki/Key:crossing>=no + >>> traffic_signals:direction >>> <https://wiki.openstreetmap.org/wiki/Key:traffic_signals:direction>=forw >>> ard/backward >>> >>> According to the Wiki (https://wiki.openstreetmap.or >>> g/wiki/Tag:highway%3Dtraffic_signals), the latter is strongly >>> recommended: >>> >>> Historically I've tended to use the specific UK shortcuts eg. >>> highway=crossing crossing=pelican but I'm happy to change if the consensus >>> is that any of the above methods are to be preferred. I've never been happy >>> that crossings aren't rendered with a traffic light symbol but have no wish >>> to tag for the renderer. My worry with Option 3 is that some routing >>> programs might view it as two (or even three) separate sets of traffic >>> lights. >>> >>> Any advice gratefully received, >>> >>> Adam >>> >>> _______________________________________________ >>> Talk-GB mailing list >>> Talk-GB@openstreetmap.org >>> https://lists.openstreetmap.org/listinfo/talk-gb >>> >>> >> >
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