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<p>For interest only. The weblink below is for a site that creates
Garmin navigating device maps based on OSM data and in the process
generates an error list that affect routing etc.<br>
</p>
<p><a class="moz-txt-link-freetext" href="https://alternativaslibres.org/errors/errors_Australia.zip">https://alternativaslibres.org/errors/errors_Australia.zip</a></p>
<p>Partial of the readme included in fileset;<br>
</p>
<p><i>This is a short description of the errors listed in the files
contained in errors.zip. All these errors can cause routing to
fail or that some elements in the map are not displayed
correctly. For each error listed, ID of the wrong element and a
link to download the area into JOSM or view it in a web browser
is given. If you want to improve the quality of the maps, please
spend some time fixing some of these errors.</i><i><br>
</i></p>
<p><i>Roundabouts.txt: Roundabout XXX starts/ends/forks at...:
indicates that a way or a set of ways tagged as
junction=roundabout is/are not closed or has a portion going
out/coming in the roundabout.<br>
</i></p>
<p><i>Flares.txt: this file groups different problems affecting the
roads that connect a roundabout with other roads.</i><i><br>
<br>
Arcs.txt: Similar arcs XXX and YYY at...: indicates that XXX and
YYY ways are overlapping.</i><i><br>
<br>
Oneway_roads.txt: this file groups different problems affecting
oneway roads, going to/coming from nowhere.</i><i><br>
<br>
Turn_restriction.txt: this file groups different problems
affecting turn restrictions. Problems can be the lack or excess
of any of the turn restrictions elements or some of them not
connecting the others.</i><i><br>
</i><i><br>
Motorway_exits.txt: motorway_junction nodes must be placed on
roads with a ref tag, in order to process them correctly as
motorway exits. This file collects those motorway exits
positioned on ways lacking ref tag.</i><i><br>
</i><i><br>
Multipolygon.txt: errors in relations of type multipolygon or
boundary, such as intersecting ways, polygons with rol inner
that are not inside a polygon with role outer, multipolygons
which elements don't make a closed polygon, etc.</i><i><br>
</i><i><br>
HouseNumbers.txt: errors related to house numbers. This
information is necessary in order to be able to search by
addresses.</i><br>
</p>
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