<div dir="ltr"><span id="gmail-docs-internal-guid-78e58633-7fff-6550-b31d-c62eea402a92"><p dir="ltr" style="line-height:1.38;text-align:justify;background-color:rgb(252,253,254);margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;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:1.38;text-align:justify;background-color:rgb(252,253,254);margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">In June 2022 our team is going to start a mapping project in Brazil.</span></p><p dir="ltr" style="line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">The project was created to review logical errors with OSM road 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.</span></p><p dir="ltr" style="line-height:1.38;text-align:justify;background-color:rgb(252,253,254);margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Our team is planning to review a subset of the detections, which is divided by categories: </span></p><ul style="margin-top:0px;margin-bottom:0px"><li dir="ltr" style="list-style-type:disc;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre"><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt" role="presentation"><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Crossing_highways - roads with no common point</span></p></li><li dir="ltr" style="list-style-type:disc;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre"><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt" role="presentation"><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Island_highways - roads not connected to road network</span></p></li><li dir="ltr" style="list-style-type:disc;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre"><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt" role="presentation"><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Impossible angle - roads with too narrow angles</span></p></li><li dir="ltr" style="list-style-type:disc;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre"><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt" role="presentation"><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Mixed layer - connected roads with different layers</span></p></li><li dir="ltr" style="list-style-type:disc;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre"><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt" role="presentation"><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Missing role - turn restriction where 1 role is missed</span></p></li><li dir="ltr" style="list-style-type:disc;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre"><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt" role="presentation"><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Excessive role -  turn restriction where we have more then 3 roles (e.g.two role “to”)</span></p></li><li dir="ltr" style="list-style-type:disc;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre"><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt" role="presentation"><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Invalid role - all roles are represented but doesn’t connected</span></p></li><li dir="ltr" style="list-style-type:disc;font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre"><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt" role="presentation"><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Missing type restriction - all roles are fine but the type of restriction is missed</span></p></li></ul><p dir="ltr" style="line-height:1.2;margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">We’re using the automatic process for getting the detections which is based on <a href="https://github.com/osmlab/osmlint-osmium">osmium</a> and <a href="https://github.com/osmlab/osmlint">osmLint</a>. The data with OSM errors which we’re going to review is located in the <a href="https://github.com/mapbox/mapping/issues/419">github ticket</a> in json files, you </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">can watch them through</span><span style="font-family:Arial;color:rgb(36,41,47);font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap"> </span><a href="http://geojson.io/#map=2/20.0/0.0" style="text-decoration-line:none"><span style="font-family:Arial;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">geojson.io</span></a><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">. After that, we will review new errors in Brazil on a permanent basis once a week to support the quality of the road network.</span></p><p dir="ltr" style="line-height:1.38;text-align:justify;background-color:rgb(252,253,254);margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt"><span style="font-family:Arial;color:rgb(0,0,0);background-color:rgb(255,255,255);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><br><p dir="ltr" style="line-height:1.38;text-align:justify;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">On our <a href="https://wiki.openstreetmap.org/wiki/Organised_Editing/Activities/resolve_linting_issues_in_Brazil">wiki page</a> and <a href="https://github.com/mapbox/mapping/issues/419">ticket</a> 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 types of issues, <a href="https://wiki.openstreetmap.org/wiki/Mapbox_linters_types_description#Intro">how we get them</a> and <a href="https://wiki.openstreetmap.org/wiki/How_Mapbox_Data_RAVE_team_work_on_receiving_feedback_from_OSM_users">how we deal with feedback</a>.</span></p><br><p dir="ltr" style="line-height:1.38;text-align:justify;background-color:rgb(252,253,254);margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;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:1.38;text-align:justify;background-color:rgb(252,253,254);margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;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:1.38;text-align:justify;background-color:rgb(252,253,254);margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;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:1.38;text-align:justify;background-color:rgb(252,253,254);margin-top:0pt;margin-bottom:0pt;padding:5.25pt 0pt"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;vertical-align:baseline;white-space:pre-wrap">Sonya</span></p></span><br class="gmail-Apple-interchange-newline"></div>