[Talk-GB] Mapbox mapping activity

[SK53]

I've just looked at the examples, and have the following comments:

   - Example 1 :This is actually nothing more than a typical Spanish
   intersection designed so that there are no left turns. I don't think adding
   a junction=circular would do any harm, but the essential things here are to
   map give ways and the relevant turn restrictions (probably straight_on_only
   where the circular part crosses the main road & right_turn_only on the
   other interconnectors). Here's an example
   <https://www.openstreetmap.org/#map=19/40.13443/-5.22856> of a similar
   junction with such turn restrictions.
   - Example 3. At least in the UK, a small roundabout with a
   non-traversable centre is still a roundabout, not a mini-roundabout.
   - Example 4. Superficially this looks like a mini-roundabout, but on
   checking <https://www.openstreetmap.org/#map=19/40.76224/14.45764> this
   has a non-traversable centre, so is a small regular roundabout. I'm not
   sure what junction=roundabout plus traffic_island=yes even means, although
   there are very small number <https://overpass-turbo.eu/s/1rlG> (two) of
   such in the UK

None of the examples are from the UK, which also makes it hard to evaluate
the planned changes.

Jerry

On Tue, 14 Feb 2023 at 15:54, Sonya Khilchyk via Talk-GB <
talk-gb at openstreetmap.org> wrote:

> Hello from the Mapbox Team!
>
>
> In February 2023 our team is going to start a mapping project in the UK.
>
> The project was created to review errors in roundabouts data and fix it
> where there’s possibility for improving the road network and enough ground
> truth sources. We’re concentrating on road mistakes to improve map
> condition. We’re using the automatic process for getting the detections
> which is based on osmium and osmLint (link
> <https://github.com/osmlab/osmlint>).
>
> In cases of lack of up to date satellite or imagery the team doesn’t make
> any edits. And always taking care about local sources, which are the most
> relevant and unique for each country.
>
> On our wiki page and ticket (osm wiki
> <https://wiki.openstreetmap.org/wiki/Organised_Editing/Activities/missing_roundabouts_UK>
> /ticket <https://github.com/mapbox/mapping/issues/420>) there is detailed
> information about the background, satellite imageries, timeframes, contact
> mails. Also, for more clear understanding we have osm wiki pages with more
> detailed info about how we deal with feedback (link
> <https://wiki.openstreetmap.org/wiki/How_Mapbox_Data_RAVE_team_work_on_receiving_feedback_from_OSM_users>
> ).
>
> We would really appreciate your feedback, any questions you have about
> this project, as well as local insights that you think will help us better
> understand the data.
>
>
> Best regards,
>
> Member of Mapbox team,
>
> Sofiya
>
> _______________________________________________
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> Talk-GB at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/talk-gb
>
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