<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><span class="">Hello OSM Africa,</span><div class=""><div class=""><span class=""><br class=""></span><span class="">This is Andrew again with Apple’s Maps team. We recently used our Atlas data analysis tool (<a href="https://github.com/osmlab/atlas" class="">https://github.com/osmlab/atlas</a>) to look at a few types of potential issues related to roads and routing, such as overly sharp road angles, roads that cross but don't connect, routing problems, turn restrictions, places where navigation is impossible due to missing connections or potentially incorrect one-way roads, and other similar issues.</span><div class=""><span class=""><br class=""></span><span class="">I've posted the results of those checks on MapRoulette, a tool that lets you go through potential issues one by one and either correct them or indicate they are not a problem. I wanted to let you know they are available in case others wanted to try fixing some of them — I also plan to go through some of them myself.</span></div><div class=""><span class=""><br class=""></span><span class="">In MapRoulette you can either pick a random task to fix or click on a specific one. If you want to do tasks around a certain location, such as somewhere you are familiar with, you can click on one from the map view, and then click Next task: Nearby when you finish it.</span></div><div class=""><span class=""><br class=""></span></div><div class=""><span class="">We ran the tool for a few countries recently: </span></div></div></div></div><div class=""><br class=""></div><div class=""><div class=""><div class="">South Africa:</div><div class=""><br class=""></div><div class=""><div class="">Crossing roads: <a href="https://maproulette.org/browse/challenges/8863" class="">https://maproulette.org/browse/challenges/8863</a></div>Routing problems: <a href="https://maproulette.org/browse/challenges/8855" class="">https://maproulette.org/browse/challenges/8855</a><br class=""><div class="">Floating and disconnected roads: <a href="https://maproulette.org/browse/challenges/8852" class="">https://maproulette.org/browse/challenges/8852</a></div><div class="">Road connectivity check: <a href="https://maproulette.org/browse/challenges/8861" class="">https://maproulette.org/browse/challenges/8861</a></div><div class="">Invalid lanes: <a href="https://maproulette.org/browse/challenges/8860" class="">https://maproulette.org/browse/challenges/8860</a></div><div class="">Invalid turn restriction: <a href="https://maproulette.org/browse/challenges/8862" class="">https://maproulette.org/browse/challenges/8862</a></div><div class="">Malformed roundabouts: <a href="https://maproulette.org/browse/challenges/8859" class="">https://maproulette.org/browse/challenges/8859</a><br class=""><div class="">Road links: <a href="https://maproulette.org/browse/challenges/8853" class="">https://maproulette.org/browse/challenges/8853</a></div></div></div><div class=""><br class=""></div><div class="">Uganda:</div><div class=""><br class=""></div><div class=""><div class="">Crossing roads: <a href="https://maproulette.org/browse/challenges/8890" class="">https://maproulette.org/browse/challenges/8890</a></div>Routing problems: <a href="https://maproulette.org/browse/challenges/8892" class="">https://maproulette.org/browse/challenges/8892</a><br class=""><div class="">Floating and disconnected roads: <a href="https://maproulette.org/browse/challenges/8894" class="">https://maproulette.org/browse/challenges/8894</a></div><div class="">Road connectivity check: <a href="https://maproulette.org/browse/challenges/8897" class="">https://maproulette.org/browse/challenges/8897</a></div><div class="">Invalid lanes: <a href="https://maproulette.org/browse/challenges/8896" class="">https://maproulette.org/browse/challenges/8896</a></div><div class="">Invalid turn restriction: <a href="https://maproulette.org/browse/challenges/8901" class="">https://maproulette.org/browse/challenges/8901</a></div><div class="">Malformed roundabouts: <a href="https://maproulette.org/browse/challenges/8899" class="">https://maproulette.org/browse/challenges/8899</a><br class=""><div class=""><br class=""></div></div></div><div class="">Kenya:</div><div class=""><br class=""></div><div class=""><div class="">Impossible routing: <a href="https://maproulette.org/browse/challenges/8734" class="">https://maproulette.org/browse/challenges/8734</a></div><div class="">Floating and disconnected roads: <a href="https://maproulette.org/browse/challenges/8735" class="">https://maproulette.org/browse/challenges/8735</a></div><div class="">Sharp road angles: <a href="https://maproulette.org/browse/challenges/8737" class="">https://maproulette.org/browse/challenges/8737</a></div><div class="">Crossing roads: <a href="https://maproulette.org/browse/challenges/8740" class="">https://maproulette.org/browse/challenges/8740</a></div><div class="">Connectivity check: <a href="https://maproulette.org/browse/challenges/8741" class="">https://maproulette.org/browse/challenges/8741</a></div><div class="">Invalid turn restrictions: <a href="https://maproulette.org/browse/challenges/8742" class="">https://maproulette.org/browse/challenges/8742</a></div></div></div><div class=""><br class=""></div><div class="">Rwanda:</div><div class=""><br class=""></div><div class=""><div class="">Crossing roads: <a href="https://maproulette.org/browse/challenges/8850" class="">https://maproulette.org/browse/challenges/8850</a></div>Routing problems: <a href="https://maproulette.org/browse/challenges/8847" class="">https://maproulette.org/browse/challenges/8847</a><br class=""><div class="">Floating and disconnected roads: <a href="https://maproulette.org/browse/challenges/8843" class="">https://maproulette.org/browse/challenges/8843</a></div><div class="">Road connectivity check: <a href="https://maproulette.org/browse/challenges/8848" class="">https://maproulette.org/browse/challenges/8848</a></div><div class="">Invalid turn restriction: <a href="https://maproulette.org/browse/challenges/8845" class="">https://maproulette.org/browse/challenges/8845</a></div></div><div class=""><br class=""></div><div class=""><div class="">Egypt:</div><div class=""><br class=""></div><div class="">Impossible routing: <a href="https://maproulette.org/browse/challenges/8686" class="">https://maproulette.org/browse/challenges/8686</a></div><div class="">Sharp road angles: <a href="https://maproulette.org/browse/challenges/8688" class="">https://maproulette.org/browse/challenges/8688</a></div><div class="">Connectivity problems: <a href="https://maproulette.org/browse/challenges/8692" class="">https://maproulette.org/browse/challenges/8692</a></div><div class="">Malformed roundabouts: <a href="https://maproulette.org/browse/challenges/8690" class="">https://maproulette.org/browse/challenges/8690</a></div><div class="">Turn restriction problems: <a href="https://maproulette.org/browse/challenges/8693" class="">https://maproulette.org/browse/challenges/8693</a></div><div class="">Road links: <a href="https://maproulette.org/browse/challenges/8687" class="">https://maproulette.org/browse/challenges/8687</a></div><div class="">Crossing roads: <a href="https://maproulette.org/browse/challenges/8694" class="">https://maproulette.org/browse/challenges/8694</a></div></div><div class=""><br class=""></div><div class="">Angola:</div><div class=""><br class=""></div><div class="">Routing problems: <a href="https://maproulette.org/browse/challenges/8399" class="">https://maproulette.org/browse/challenges/8399</a><br class=""><div class="">Floating and disconnected roads: <a href="https://maproulette.org/browse/challenges/8398" class="">https://maproulette.org/browse/challenges/8398</a></div><div class="">Road connectivity check: <a href="https://maproulette.org/browse/challenges/8402" class="">https://maproulette.org/browse/challenges/8402</a></div><div class="">Invalid turn restriction: <a href="https://maproulette.org/browse/challenges/8397" class="">https://maproulette.org/browse/challenges/8397</a></div><div class="">Malformed roundabouts: <a href="https://maproulette.org/browse/challenges/8401" class="">https://maproulette.org/browse/challenges/8401</a></div></div><div class=""><br class=""></div><div class="">Tunisia:</div><div class=""><br class=""></div><div class=""><div class="">Impossible routing: <a href="https://maproulette.org/browse/challenges/8880" class="">https://maproulette.org/browse/challenges/8880</a></div><div class="">Connectivity problems: <a href="https://maproulette.org/browse/challenges/8887" class="">https://maproulette.org/browse/challenges/8887</a></div><div class="">Malformed roundabouts: <a href="https://maproulette.org/browse/challenges/8889" class="">https://maproulette.org/browse/challenges/8889</a></div><div class="">Turn restriction problems: <a href="https://maproulette.org/browse/challenges/8884" class="">https://maproulette.org/browse/challenges/8884</a></div><div class="">Road links: <a href="https://maproulette.org/browse/challenges/8881" class="">https://maproulette.org/browse/challenges/8881</a></div><div class="">Crossing roads: <a href="https://maproulette.org/browse/challenges/8888" class="">https://maproulette.org/browse/challenges/8888</a></div></div><div class=""><br class=""></div><div class="">And we have a lot other ones here from before: <a href="https://github.com/osmlab/appledata/wiki/MapRoulette-Challenges" class="">https://github.com/osmlab/appledata/wiki/MapRoulette-Challenges</a></div><div class=""><br class=""></div></div><div class="">Let me know if you have any questions or suggestions. Thanks!</div><div class=""><br class=""></div><div class="">Andrew </div><br class=""><br class=""><div class="">
<span class="Apple-style-span" style="font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: normal; color: rgb(103, 103, 103); font-family: "Myriad Set";"><br class="Apple-interchange-newline">Andrew Wiseman |</span><span class="Apple-style-span" style="color: rgb(0, 0, 0); font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; orphans: 2; widows: 2; font-family: 'Myriad Set';"><font class="Apple-style-span" size="4"><span class="Apple-style-span" style="font-size: 14px;"><font face="Helvetica" class=""> <font color="#00ddf2" class=""></font></font><span class="Apple-style-span" style="color: rgb(103, 103, 103); font-size: 12px;"><font face="Helvetica" class=""> </font><span class="Apple-style-span" style="color: rgb(0, 0, 255); font-size: 14px;"><span class="Apple-style-span" style="color: rgb(103, 103, 103); font-size: 12px;">Maps</span></span></span></span></font></span><span class="" style="font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; color: rgb(103, 103, 103); orphans: 2; widows: 2; font-family: 'Myriad Set';"> | iPhone: +1.202.270.4464 | <a href="mailto:andrew_wiseman@apple.com" class="">andrew_wiseman@apple.com</a></span>
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