Am Di., 26. Feb. 2019 um 13:40 Uhr schrieb Paul Allen <[email protected]>:
> On Tue, 26 Feb 2019 at 12:17, Fernando Trebien <[email protected]> > wrote: > >> >> I don't think a uniform, worldwide highway class standardisation based >> on road attributes is possible and satisfactory. But I think a >> functional one would be, at least as a guiding principle. >> > > What we currently have doesn't reflect reality too well, even in the UK. > It makes the > assumption that the width/capacity/speed of a road correlates well with > its classification. > this may be the situation in the UK, in the rest of the world (at least non-Commonwealth), we do not have these issues, because we are classifying the roads ourselves, rather than translating one of the different categorizations that are locally available. > Of course, we have lanes and speed limits to refine matters, but there is > still the implicit > assumption by many mappers that a primary route is "better" than a > secondary route. > of course, under "normal" conditions, a primary road should be "better" than a secondary road, for long-distance travel. > > It's sort of true, in the UK, most of the time. But it is possible for a > primary route in the UK > to have fewer lanes or lower speeds for part of its length than a > secondary route between the > same two locations. Unlikely, but possible. > this is again a problem isolated to the UK, and not useful to discuss on the international mailing list because it really only applies to British areas. Cheers, Martin
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