Sound cool but there may be a gap between the reality and the law : example : it looks like the countryside but legally it is inside the built up area : http://www.mapillary.com/map/im/Dybpz_fHGEmWdLjfG7OMvQ/photo There should be 2 tags : abutters=rural and highway:legal_type=built_up
djakk Le mer. 19 sept. 2018 à 21:27, Tobias Zwick <o...@westnordost.de> a écrit : > Okay, so US-American legislation usually differs between "residential > district" and "business district" for maxspeed defaults, as opposed to > "built-up area" in most other countries. > > Actually, there is a tag to denote that a street is in a residential > district or business district. It comes from the early days of OSM where > people were mapping with their GPS trackers for the lack of available > aerial imagery. What about this?: > > abutters=residential > abutters=commercial > > See https://wiki.openstreetmap.org/wiki/Key:abutters > > On 19/09/2018 14:08, Greg Troxel wrote: > > Tod Fitch <t...@fitchdesign.com> writes: > > > >>> On Sep 18, 2018, at 6:19 PM, Joseph Eisenberg < > joseph.eisenb...@gmail.com> wrote: > >>> > >>> So on the boundary=administrative admin_level=6 for Rogers County, we > could have something like maxspeed:type:default=45mph > >> > >> Except that more typically there will be different default speed > >> limits on each of the various OSM highway classifications. So maybe > >> something more like “maxspeed:default:residential=25 mph”. > > > > I am not aware of *unposted* default limits in the US being different by > > an entity smaller than state. In Massachusetts, there are default > > limits in state statutes, in particularly 30 mph in "thickly settled" > > areas (also defined in statute). Some towns have adopted 25 mph in > > thickly settled areas, and they have signs at the town borders. > > > > It's an interesting question at what level to tag individual roads and > > when to have some way of expressing rules and therefore to expect all > > data consumers to evaluate the rules. My quick reaction is that > > publishing rules for regions smaller than states is going to be too > > messy, vs just tagging the ways. > > > > With respect to maxspeed:default:residential, that's totally unworkable > > in Massachusetts. The law does not talk about roads or even define them > > as residential or not. The question for 30 (vs 40) is whether the road > > is "thickly settled", which is > > > > built up with structures devoted to business, or the territory > > contiguous to any way where the dwelling houses are situated at such > > distances as will average less than two hundred feet between them for > > a distance of a quarter of a mile or over. > > > > So there are many roads that are properly tagged "residential" but are > > not subject to the lower speed. > > > > In Mass, we have speed limit tags on almost all legal roads. To me, > > that seems like the most straightforward approach, even if there are > > also defaults. > > > > If the general defaults are intended for routing, that seems more or > > less ok. If they are intended to actually provide speed limit guidance > > to drivers, I'm opposed, at least in jurisdictions where they aren't > > strictly reliable. > > > > _______________________________________________ > > Tagging mailing list > > Tagging@openstreetmap.org > > https://lists.openstreetmap.org/listinfo/tagging > > > > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging >
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