Kevin Kenny <[email protected]> writes: > OK, 'residential' if it looks like 'subdivision', 'unclassified' > otherwise (as long as it's drivable in, say, my daughter's car rather > than my 4-wheeler). Got it.
I also see a distinction between residential/unclassified as denoting a legal road (around me, carved-out parcel wise from the surrounding land) vs track and some service denoting a non-legal-road. However, others see the physical and legal attributes as separate. If you do change a legal road to track because of poor condition, please add access=yes if that is how it is. highway=residential has a pretty safe access=yes default, and I find that most highway=track are not actually access=yes, even though most do not have tags. This is further messy on rendering, as it might be that tracks should be rendered with an access color if they are access=yes, and not colored if they are access=private. > I suspect that 'residential'/'unclassified' right now is almost a > difference without a distinction. In the US, that's true. Driving in Scotland recently gave me more insight into the UK origins of the classification. > I suppose that 'residential' might be a weak indication to a router to > avoid the route, but the consequences of getting it wrong don't appear > to be terribly severe. Which is a relief. I would say that a router avoiding residential is incorrect, unless it's a tiny bit of avoidance. It should really be about speeds, width, lights, etc. As for where Richard Welty draws the line, if there are a lot of houses on 4 acre lots, I don't think that's iffy. The questions to me is not subdivision but whether most of the landuse along the road is residential or not and the much harder whether much of the traffic is to/from residential vs other, which is even harder for collector roads to neighborhoods and what you call through in the end I tink where this line is drawn is very far down on the OSM problem list.
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