[Talk-GB] 'C' class roads references.

Dave F davefoxfac63 at btinternet.com
Sat Aug 4 09:52:52 UTC 2018

On 04/08/2018 09:55, David Woolley wrote:
> On 04/08/18 00:47, Dave F wrote:
>> After many discussions over the years about the referencing of 'C' 
>> class roads there appeared to be a general consensus to keep them in 
>> the database but provide a unique tag to allow them not to be rendered.
> I assume you mean the reference is not rendered rather than the road.

Yes. Note the frequent use of the word 'reference'.

> It seems to me that, in the UK, class C roads should be exactly the 
> set of roads with highway=tertiary, so there is no need for a new tag.

By design or error (of either the highway authority or OSM mappers) that 
is, unfortunately, not the case. I've provided Overpass queries for 
contributors to check & verify these anomalies.

> Even if that is not true, the correct solution would be to test the 
> reference in the renderer and suppress it if within the UK.

Collecting them into a unifying tag makes it easier for them to decide 
how they want to do it.


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