[OSM-talk] Moderating / Quality checking OSM contributions -- was: Re: OSmosa.net run now.., contribution model
Richard Fairhurst
richard at systemed.net
Thu Dec 8 00:20:15 GMT 2011
Andrew Errington wrote:
> I don't know for sure, but I expect that the initial list of road
> classifications were derived from UK Ordnance Survey
> classifications:
Yes.
> Motorway - motorway
> B road - secondary
> 'yellow' road - tertiary
> 'white' road - unclassified
Pretty much, yes. tertiary/unclassified isn't a hard and fast rule.
> dual-carriageway - trunk
> A road - primary
Not quite:
"primary A road (green signs)" -> trunk
"non-primary A road (white signs)" -> primary
> upgraded A road - primary + motorroad
Not really used in the UK. I think that was introduced in Germany.
(Personally I think that was a good decision by the German mappers and I'd
like to see other countries do something similar, albeit co-ordinated with
other nations, rather than always trying to shoehorn in incompatible systems
to the UK-derived classification.)
cheers
Richard
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