<div dir="ltr"><div>I've just looked at the examples, and have the following comments:</div><div><ul><li>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 <a href="https://www.openstreetmap.org/#map=19/40.13443/-5.22856">an example</a> of a similar junction with such turn restrictions.<br></li><li>Example 3. At least in the UK, a small roundabout with a non-traversable centre is still a roundabout, not a mini-roundabout.</li><li>Example 4. Superficially this looks like a mini-roundabout, but on <a href="https://www.openstreetmap.org/#map=19/40.76224/14.45764">checking</a> 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 <a href="https://overpass-turbo.eu/s/1rlG">very small number</a> (two) of such in the UK<br></li></ul><div>None of the examples are from the UK, which also makes it hard to evaluate the planned changes.</div><div><br></div><div>Jerry<br></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 14 Feb 2023 at 15:54, Sonya Khilchyk via Talk-GB <<a href="mailto:talk-gb@openstreetmap.org">talk-gb@openstreetmap.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><span id="m_-1223710624550218166gmail-docs-internal-guid-10279547-7fff-34c6-a42f-4ca1bac547fc"><p dir="ltr" style="line-height:1.656;text-align:justify;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Hello from the Mapbox Team!</span></p><p dir="ltr" style="line-height:1.656;text-align:justify;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap"><br></span></p><p dir="ltr" style="line-height:1.656;text-align:justify;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">In February 2023 our team is going to start a mapping project in the UK.</span></p><p dir="ltr" style="line-height:1.656;text-align:justify;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">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 (</span><a href="https://github.com/osmlab/osmlint" style="text-decoration-line:none" target="_blank"><span style="font-family:Arial;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">link</span></a><span style="font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">). </span></p><p dir="ltr" style="line-height:1.656;text-align:justify;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">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.</span></p><p dir="ltr" style="line-height:1.656;text-align:justify;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">On our wiki page and ticket (</span><span style="font-family:Arial;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap"><a href="https://wiki.openstreetmap.org/wiki/Organised_Editing/Activities/missing_roundabouts_UK" target="_blank">osm wiki</a></span><span style="font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">/</span><a href="https://github.com/mapbox/mapping/issues/420" style="text-decoration-line:none" target="_blank"><span style="font-family:Arial;font-variant-numeric:normal;font-variant-east-asian:normal;text-decoration-line:underline;vertical-align:baseline;white-space:pre-wrap">ticket</span></a><span style="font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">) 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 (</span><a href="https://wiki.openstreetmap.org/wiki/How_Mapbox_Data_RAVE_team_work_on_receiving_feedback_from_OSM_users" style="text-decoration-line:none" target="_blank"><span style="font-family:Arial;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">link</span></a><span style="font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">).</span></p><p dir="ltr" style="line-height:1.656;text-align:justify;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">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.</span></p><p dir="ltr" style="line-height:1.656;text-align:justify;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap"><br></span></p><p dir="ltr" style="line-height:1.656;text-align:justify;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Best regards,</span></p><p dir="ltr" style="line-height:1.656;text-align:justify;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Member of Mapbox team,</span></p><p dir="ltr" style="line-height:1.656;text-align:justify;margin-top:0pt;margin-bottom:0pt;padding:0pt 0pt 12pt"><span style="font-family:Arial;color:rgb(0,0,0);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Sofiya</span></p></span><br></div>
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