[Talk-GB] Railway bridge numbers

Brian Prangle bprangle at gmail.com
Tue Apr 9 15:11:08 UTC 2013


I'm already using bridge_ref=  and also adding operator= when I remember

Rgds

Brian


On 9 April 2013 15:17, Philip Barnes <phil at trigpoint.me.uk> wrote:

> Hi Andy
>
> Seems a good idea. I would suggest a new tag, such as bridge_ref.
>
> I have come across cases of canal bridge numbers using the ref tag, which
> causes navigation instructions to be
>
> continue onto A41
>
> continue onto 107
>
> continue onto A41
>
>
> that one was near Tarporley.
>
>
> Most canal bridge numbers are in the name tag, but I am not sure that is
> right either.
>
>
> Phil (trigpoint)
>
> --
>
>
>
> Sent from my Nokia N9
>
>
>
> On 09/04/2013 14:54 Chris Hill wrote:
> Some railway bridges near me have already been added to a bridge relation,
> not by me, that includes the reference. See
> http://www.openstreetmap.org/browse/relation/446579 as an example. I
> don't know if this a good idea or not, nor if the number is what you have
> in mind.
>
> Cheers, Chris
> OSM User chillly
>
> Andy Mabbett <andy at pigsonthewing.org.uk> wrote:
>>
>> All railway bridges (over- and under-) in the UK have a unique number.
>> often carried on a metal (more recently plastic) identification plate,
>> or painted on:
>>
>> http://www.semgonline.com/structures/numbering.html
>>
>> Among other things, these are used to speedily identify the bridge in
>> case of a vehicle strike which may pose a danger to trains or other
>> traffic:
>>
>> http://www.networkrail.co.uk/aspx/3563.aspx
>>
>> Do we have a scheme for tagging UK railway bridges with their numbers?
>> I have looked on Wiki, and can't find anything, and my local bridges
>> are either not tagged; or tagged (for example) ref = B4124:
>>
>> http://www.openstreetmap.org/browse/way/103233329
>>
>> which does not identify that number as being a NetworkRail reference
>> (if indeed it is, being on a road overbridge maintained by the local
>> authority).
>>
>> If we do not have something more specific, I'm happy to draft
>> something for discussion.
>>
>> --
>> Andy Mabbett
>> @pigsonthewing
>> http://pigsonthewing.org.uk
>>
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>>
>
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