On Sun, 11 Aug 2019 at 22:10, Graeme Fitzpatrick <graemefi...@gmail.com> wrote:
> > In Australia, it's not uncommon for a Primary (& in some cases, Trunk!) > road to be a single lane dirt road!, & it would be nice to be able to show > them with the importance that they are to local residents of that area. > There appear to be two schools of thought on this. One is that if it is the only road between A and B then it is a primary road, even if it's a single-lane dirt track. The other is to adopt a consistent country (or state, or region) wide classification, preferably adhering to official classification if there is any, which might mean that the only road between A and B is a secondary, tertiary or even quaternary road. I favour the latter approach. If there is only one single-lane track between A and B then it is obviously of importance to those in the area without it needing to be emphasised by a different colour. Whereas rendering it as a primary road will mislead some people planning a cross-country trip into think it's paved highway all the way, including the final part of their trip from A to B. I suggest that before you decide which approach best suits your country you first check if there is a governmental classification scheme of highways. It appears that, for Australia, things are rather inconsistent across the states and territories and have changed over the years. Nevertheless, alphanumeric designations are now common amongst most states and territories and the meaning of those designations can be found at https://en.wikipedia.org/wiki/Highways_in_Australia#Prefix_letters After examining that, then make your decision as to whether or not the OSM map ought to reflect official designations or do its own thing. And then discuss it in whatever forum Australian mappers use and see if you can get a consensus agreeing with you. -- Paul
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