Re: [Talk-gb-westmidlands] [Talk-GB] Railway bridge numbers

2013-04-10 Thread Andy Mabbett
On 10 April 2013 12:55, Richard Mann richard.mann.westoxf...@gmail.com wrote: The first three characters are the Engineers Line Reference and used by the civils engineers for a few tens of miles of track (the signalling people have a completely separate location coding, and the timetable

Re: [Talk-gb-westmidlands] [Talk-GB] Railway bridge numbers

2013-04-09 Thread Andy Mabbett
On 9 April 2013 15:30, Craig Wallace craig...@fastmail.fm wrote: On 2013-04-09 14:39, Andy Mabbett 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: That ref=B4124 is presumably

[Talk-GB] Railway bridge numbers

2013-04-09 Thread Andy Mabbett
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

Re: [Talk-GB] Railway bridge numbers

2013-04-09 Thread Chris Hill
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

Re: [Talk-GB] Railway bridge numbers

2013-04-09 Thread Philip Barnes
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

Re: [Talk-GB] Railway bridge numbers

2013-04-09 Thread Craig Wallace
On 2013-04-09 14:39, Andy Mabbett 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

Re: [Talk-GB] Railway bridge numbers

2013-04-09 Thread Richard Fairhurst
Philip Barnes wrote: 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 [...] Most canal bridge numbers are in the name tag, but I am not sure that is right either. There seem to be a lot of canal bridge numbers

Re: [Talk-GB] Railway bridge numbers

2013-04-09 Thread Brian Prangle
I'm already using bridge_ref= and also adding operator= when I remember Rgds Brian On 9 April 2013 15:17, Philip Barnes p...@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

Re: [Talk-GB] Railway bridge numbers

2013-04-09 Thread Gregory Williams
. Cheers, Gregory From: Chris Hill [mailto:o...@raggedred.net] Sent: 09 April 2013 14:55 To: Andy Mabbett; talk-gb@openstreetmap.org Subject: Re: [Talk-GB] Railway bridge numbers Some railway bridges near me have already been added to a bridge relation, not by me, that includes