[Talk-GB] Standalone signalled pedestrian crossing tagging

[Brian Prangle]

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.snape at 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>=
> forward/backward
>
> According to the Wiki (https://wiki.openstreetmap.org/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
>
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