You are referring to the "official" refs. Is it *possible* that the signs disagree with the official data? To make things look more logical for drivers?
I ask this because we tend to give precedence in our mapping to what is visible on road signs, rather than blindly following the official truth. Where two roads are multiplexed, it looks like one of the refs is the primary and is shown without brackets, and the other is shown within brackets, such as the A22 near Uckfield which multiplexes with the A26. It is shown as "Eastbourne A22 / Lewes (A26)". Is this done 100% consistently? What about link roads between two motorways? Is it possible that they are signed as one motorway (the one it leads to, nice and clear for the driver) but administratively part of another? //colin On 2015-12-07 12:09, Derick Rethans wrote: > On Sat, 5 Dec 2015, Dave F. wrote: > >> I know this has been discussed before , but recent edits by user: >> abc26324 <http://www.openstreetmap.org/user/abc26324> prompts me to >> ask/verify again the point of road relations in the UK. Example: >> >> http://www.openstreetmap.org/relation/103301#map=10/51.2112/-2.5578 >> >> Route relations are meant to represent, err... routes taken by people >> that transverse multiple different ways; such as bus cycle etc & not >> just a 'collection' of things, especially when they can easily be >> collated/extracted from the ref on the actual way. >> >> I notice even the M4/M5 have one apiece. This has lead to tag >> duplication which can never be a good thing. >> >> Are there any roads in GB where references are shared? If not, I see >> no reason for their existence. > > My wife (works for DfT, did road ref assignments) claims that a road > segment can not share more than one ref. The "norwegian" situation of > the 32/35 like at > http://www.openstreetmap.org/way/329206956#map=13/59.5053/10.1548 can > not happen in the UK. In the UK, that situation is the A14 and A11 where > the A11 disappears for a strech to come back later. (Between junctions > 36 and 38, > http://www.openstreetmap.org/way/367772226#map=12/52.2445/0.3914) > > The only "exception" is that roads with a ref can have names attached to > them too, but they're "unofficial" (such as the example at > http://www.openstreetmap.org/way/232728113#map=19/51.53625/-0.19143 > which is both A5 and "Kilburn high Road"). > > There is some info in > https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/315783/road-classification-guidance.pdf, > > but it's a bit vague on this part. > > cheers, > Derick > > _______________________________________________ > Talk-GB mailing list > Talk-GB@openstreetmap.org > https://lists.openstreetmap.org/listinfo/talk-gb
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