What I mean is that the same idea does not apply so often and so extremely and in such a regular fashion and for long periods to other kinds of roads. That's why I said "in fact, of snow". I would expect to see something very similar in southern Argentina and Chile, in Antarctica, in Greenland, and in Scandinavia.
On Thu, Mar 20, 2014 at 1:05 PM, John F. Eldredge <j...@jfeldredge.com> wrote: > The Russian "winter roads" situation is not unique. From what I have read, > the same situation applies in some parts of Canada and Alaska. > > > On March 20, 2014 10:58:01 AM CDT, Fernando Trebien > <fernando.treb...@gmail.com> wrote: >> In Brazil, these conditions are somewhat often permanent (or at least >> expected to be permanent) when they happen. Sometimes it's due to poor >> administration, which changes only every 4 years. Sometimes it's due >> to poor construction, which costs a lot to fix. Sometimes it's due to >> weather, which in many cases is not inconstant through the seasons. >> But sometimes they are indeed dynamic/seasonal, though it's rare to >> see a large (say, from grade5 to grade1, or from horrible to good >> smoothness), so in these cases most people will choose to either >> approximate the average or the pessimistic scenario (not so much >> different from the average). When a large change happens (in case of a >> natural disaster, for instance, floods), it's either temporary (the >> situation goes back to normal) or permanent (it takes a long time to >> get fixed), but not recurring (if it's fixed within a year, most >> people won't expect it to happen again next year at the same place, >> but surely it "could" repeat if the fix was poorly conducted). So I >> think the case of the Russians (in fact, of "snow") is quite unique. >> >> On Thu, Mar 20, 2014 at 12:20 PM, Martin Koppenhoefer >> <dieterdre...@gmail.com> wrote: >> > >> > 2014-03-20 15:50 GMT+01:00 Fernando Trebien >> <fernando.treb...@gmail.com>: >> > >> >> Perhaps what people worry about here is "how soft" the surface is. >> >> There may be various degrees of "softness" to be measured. >> > >> > >> > >> > actually to me the problem seems that these properties are somehow >> dynamic. >> > If the surface is unpaved it will depend a lot on past weather >> conditions >> > whether a road is nice to use or not. The same road can be an >> unsurpassable >> > mud inferno or frozen with lots of snow over it so it becomes nice >> and >> > smooth, all dependent on the season. The russians had proposed a >> feature >> > "winter_road" to account for some of these features, in different >> climatic >> > conditions (e.g. with heavy rain periods) we might need additional >> tagging >> > as well. >> > >> > cheers, >> > Martin >> > >> > _______________________________________________ >> > Tagging mailing list >> > Tagging@openstreetmap.org >> > https://lists.openstreetmap.org/listinfo/tagging >> > > > -- > John F. Eldredge -- j...@jfeldredge.com > "Darkness cannot drive out darkness; only light can do that. Hate cannot > drive out hate; only love can do that." > Dr. Martin Luther King, Jr. > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging -- Fernando Trebien +55 (51) 9962-5409 "The speed of computer chips doubles every 18 months." (Moore's law) "The speed of software halves every 18 months." (Gates' law) _______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging
