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<div><br></div><div><br></div><div><br></div><div>Nov 13, 2020, 10:16 by phil@trigpoint.me.uk:<br></div><blockquote class="tutanota_quote" style="border-left: 1px solid #93A3B8; padding-left: 10px; margin-left: 5px;"><div>On Fri, 2020-11-13 at 08:36 +0000, Peter Neale via Talk-GB wrote:<br></div><blockquote style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex" type="cite"><div style="font-family: times new roman, new york, times, serif; font-size: 16px;" class=""><div><div data-setdir="false" dir="ltr">I am pretty sure that I remember checking bridges in my area some time ago, using a tool that someone kindly provided, which flagged up all bridges, where the clearance height was not specified in OSM.<br></div><div data-setdir="false" dir="ltr"><br></div><div data-setdir="false" dir="ltr">I regret that I cannot now find the link. <br></div><div><br></div><div class=""><div style="font-family:new times, serif;font-size:16px;"><br></div></div></div></div></blockquote><div><br></div><div>The isssue with a tool which finds roads under bridges with no maxheight tag is that many are above a legal minimum so have no sign.<br></div><div><br></div><div>Motorway bridges for example.<br></div><div><br></div><div>Maybe we need an unsigned tag so that these can be elimiated?<br></div><div><br></div><div>A hay lorry managed to hit this (unsigned) one a few years ago.<br></div></blockquote><div>StreetComplete is using maxheight=default maxheight=below_default for unsigned<br></div><div>maxheight in places where there is some height limit (for example within tunnels).<br></div><div><br></div><div>See <a href="https://wiki.openstreetmap.org/wiki/Key:maxheight#Non-numerical_values">https://wiki.openstreetmap.org/wiki/Key:maxheight#Non-numerical_values</a><br></div><div>for some alternative tagging styles<br></div><div><br></div><div>And extending this quest to roads under bridges was recently implemented,<br></div><div>though this is not released yet.<br></div><div><br></div><div>See <a href="https://github.com/westnordost/StreetComplete/pull/2234">https://github.com/westnordost/StreetComplete/pull/2234</a> for code.<br></div> </body>
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