[Talk-GB] Ground truth v legal truth

Philip Barnes phil at trigpoint.me.uk
Fri Jul 19 15:04:53 UTC 2019

On Fri, 2019-07-19 at 15:06 +0100, Tom Hughes wrote:
> On 19/07/2019 14:17, David Woolley wrote:
> > On 19/07/2019 13:37, Tom Hughes wrote:
> > > > I would say the logical consequence of that argument is that no
> > > > road 
> > > > should be mapped as tertiary, as, unless taken from OS, it is
> > > > a 
> > > > subjective judgement and can't be consistently verified.
> > > 
> > > That doesn't follow - in the UK we have always (with very rare
> > > exceptions like Oxford High Street) mapped secondary, primary and
> > > trunk to the official status of the road.
> > 
> > You seem to be rejecting the original proposal.  I was analysing
> > the 
> > case where the original proposal is accepted, and therefore the
> > official 
> > status must be ignored if it is not signposted.
> Well I'm not entirely sure what the true status is since the road
> hasn't been identified and OS OpenData seems to be being used as
> the source of truth which wouldn't be my first choice.
> Philip seemed to be saying that this was genuinely a white
> signed A road (or at least that OpenData says it is) and hence
> that it is a primary although he apparently prefers it to be
> tertiary.
> You then followed up by saying that the logical consequence
> of it being a primary (which I was assuming was correct) was
> that nothing was tertiary, which didn't seem  to make much
> sense to me
> Perhaps if the road was identified it would be a more productive
> discussion...
As the sabristi have already discovered this one, and the OSM edits
appear linked to Sabre Wiki edits, I will identify it.

In this case I am concentrating on A5191 (Coleham Head, Belle Vue Road,
Hereford Road) https://www.openstreetmap.org/#map=18/52.70122/-2.74811

Not a primary on the ground as can be seen on mapillary.

As Richard says this is legally a primary route, but the Highway
Authority have chosen not to promote it as a primary route, it is
signed at both ends as Belle Vue. 

The Meole Brace end sign is 

The signed primary route is via Hazledine Way, Pritchard Way and Old
Potts Way.

Phil (trigpoint)

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