On Thu, Feb 28, 2019 at 6:15 AM Volker Schmidt <vosc...@gmail.com> wrote:
> On Wed, 27 Feb 2019 at 20:09, Fernando Trebien <fernando.treb...@gmail.com> 
> wrote:
>> I think Lone Pine [2] would be interesting to discuss because it
>> doesn't have any major routes linking larger places passing through
>> it.  The highways leading to it are currently highway=residential and
>> should probably be highway=unclassified.
>>
>> >  [2] https://www.openstreetmap.org/node/150932853
>
> Country roads imported with the old TIGER imports are uniformly tagged 
> "residential".
> And in many cases this is correct in the sense that they are typically used 
> to access property along them or in the neighbourhood.

I'm aware of the difficulties of data imports, so my remark is meant
only as a reflection of what it should eventually become as mapping
work progresses.

> In the specific case, if you consult satellite imagery you will see many 
> dwellings along them.

This isn't a very strong argument since many street/road types (from
highway=pedestrian all the way up to highway=primary and sometimes
even highway=trunk in remote areas) often have dwellings directly
accessible from the road, especially within dense urban areas.

However, this brings us back to the OP's question on whether
highway=unclassified is its own hierarchical level between
highway=residential and highway=tertiary or simply a description of a
local road mostly not having any residences that should be considered
at the same hierarchical level as highway=residential. The wiki
describes them as the lowest level in the "interconnecting grid
network," from which I understand that it is probably intended to work
more like the idea of a "quaternary", from which one would expect it
to fully connect to other unclassified/tertiary/secondary/... roads
even when passing through urbanized areas with many directly
accessible residences.

-- 
Fernando Trebien

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