[Talk-GB] UPRN Locations Map

[Kai Michael Poppe - OSM]

Hi Marc,

Thanks for the reply. I'll make it my task to find an out of date copyright map that brings the full name, wherever I might find it :)

Have a great weekend!

Kai

Am 4. Juli 2020 13:02:59 MESZ schrieb Mark Goodge <mark at good-stuff.co.uk>:
>
>
>On 04/07/2020 06:16, Kai Michael Poppe - OSM wrote:
>> 
>> So, a few months ago I stumbled upon a note
>> (https://www.openstreetmap.org/note/2158104#map=19/51.49829/-0.32762)
>> that StreetComplete left saying, that the street couldn't be given a
>> name because there's none shown.
>> 
>> Back then, I used streetmap.co.uk
>> (https://www.streetmap.co.uk/map.srf?X=516161&Y=179063&A=Y&Z=106) in
>> hopes to finding something - but only got "FAI RD." which - to me -
>> makes no sense.
>> 
>> Also, using https://os.openstreetmap.org/ makes it look like that's just
>> an access path to houses around it, which is (IMHO) not entirely true as
>> the way directly linking Southdown Av. and Boston Rd. clearly is
>> publicly accessible.
>> 
>> Now, using the above mentioned map
>> (https://osm.mathmos.net/addresses/uprn/#19/51.4983/-0.3279) I now know,
>> that this street has the UPRN ID 12145988.
>
>That may not be the UPRN of the path or street. It may be the UPRN of 
>the open space that the path runs through. The path is more likely to 
>have a USRN (unique street reference number) than a UPRN.
>
>To find the USRN of the path, you need to use the lookup tables supplied 
>by OS. Doing that, we find that the associated USRN is 20602512.
>
>Now, there's no open data source which will directly tell you the name 
>of a USRN (at least, not until we start putting them into OSM). The long 
>way of doing so is to find the matching LineString in OS OpenMap Local, 
>and see what name it has there.
>
>However, it can be done directly via a non-open source. If you go to 
>https://www.findmystreet.co.uk/map and zoom in on the location, then 
>click the street to bring up the USRN details, it will give the name 
>(and also confirm that the USRN from the OS lookup table is correct). Or 
>use the search box and search for USRN 20602512.
>
> From an OSM point of view, that would normally be a dead end. Even if 
>you can view the information on a non-open source, you can't incorporate 
>it into OSM. However, in this case, we already have an abbreviated name 
>from an open source. So all we are learning from the closed source is 
>the full text of the abbreviation. Whether that makes it acceptable to 
>include the full name into OSM is a matter of debate. I'll leave that 
>decision up to others, but, for reference, the name of the street is 
>Fairfield Road.
>
>Mark
>
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