<div dir="ltr">I'm already using bridge_ref= and also adding operator= when I remember<div><br></div><div style>Rgds </div><div style><br></div><div style>Brian</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">
On 9 April 2013 15:17, Philip Barnes <span dir="ltr"><<a href="mailto:phil@trigpoint.me.uk" target="_blank">phil@trigpoint.me.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'NokiaPureTextLight'">Hi Andy</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'NokiaPureTextLight'">Seems a good idea. I would suggest a new tag, such as bridge_ref. </span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'NokiaPureTextLight'">I have come across cases of canal bridge numbers using the ref tag, which causes navigation instructions to be</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'NokiaPureTextLight'">continue onto A41</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'NokiaPureTextLight'">continue onto 107</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'NokiaPureTextLight'">continue onto A41</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px;font-family:'NokiaPureTextLight'"><br></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'NokiaPureTextLight'">that one was near Tarporley.</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px;font-family:'NokiaPureTextLight'"><br></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'NokiaPureTextLight'">Most canal bridge numbers are in the name tag, but I am not sure that is right either.</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px;font-family:'NokiaPureTextLight'"><br></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'NokiaPureTextLight'">Phil (trigpoint)</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'NokiaPureTextLight'">--</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'NokiaPureTextLight'"> </span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'NokiaPureTextLight'">Sent from my Nokia N9</span></p>
<p style="margin-top:0px;margin-bottom:0px;margin-left:0px;margin-right:0px;text-indent:0px"><span style="font-family:'NokiaPureTextLight'"> </span></p></div><div><div class="h5"><br><div><p>On 09/04/2013 14:54 Chris Hill wrote:<br>
</p></div><div>Some railway bridges near me have already been added to a bridge relation, not by me, that includes the reference. See <a href="http://www.openstreetmap.org/browse/relation/446579" target="_blank">http://www.openstreetmap.org/browse/relation/446579</a> as an example. I don't know if this a good idea or not, nor if the number is what you have in mind.<br>
<br>
Cheers, Chris<br>
OSM User chillly<br><br><div class="gmail_quote">Andy Mabbett <<a href="mailto:andy@pigsonthewing.org.uk" target="_blank">andy@pigsonthewing.org.uk</a>> wrote:<blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<pre style="white-space:pre-wrap;word-wrap:break-word;font-family:sans-serif;margin-top:0px">All railway bridges (over- and under-) in the UK have a unique number.<br>often carried on a metal (more recently plastic) identification plate,<br>
or painted on:<br><br><a href="http://www.semgonline.com/structures/numbering.html" target="_blank">http://www.semgonline.com/structures/numbering.html</a><br><br>Among other things, these are used to speedily identify the bridge in<br>
case of a vehicle strike which may pose a danger to trains or other<br>traffic:<br><br><a href="http://www.networkrail.co.uk/aspx/3563.aspx" target="_blank">http://www.networkrail.co.uk/aspx/3563.aspx</a><br><br>Do we have a scheme for tagging UK railway bridges with their numbers?<br>
I have looked on Wiki, and can't find anything, and my local bridges<br>are either not tagged; or tagged (for example) ref = B4124:<br><br><a href="http://www.openstreetmap.org/browse/way/103233329" target="_blank">http://www.openstreetmap.org/browse/way/103233329</a><br>
<br>which does not identify that number as being a NetworkRail reference<br>(if indeed it is, being on a road overbridge maintained by the local<br>authority).<br><br>If we do not have something more specific, I'm happy to draft<br>
something for discussion.<br><br>--<br>Andy Mabbett<br>@pigsonthewing<br><a href="http://pigsonthewing.org.uk" target="_blank">http://pigsonthewing.org.uk</a><br><br><hr><br>Talk-GB mailing list<br><a href="mailto:Talk-GB@openstreetmap.org" target="_blank">Talk-GB@openstreetmap.org</a><br>
<a href="http://lists.openstreetmap.org/listinfo/talk-gb" target="_blank">http://lists.openstreetmap.org/listinfo/talk-gb</a><br></pre></blockquote></div></div><br></div></div></div><br>_______________________________________________<br>
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