[Tagging] highway=unclassified

[Simone Saviolo]

2011/7/27 M∡rtin Koppenhoefer <dieterdreist at gmail.com>

> I wonder if this definition which was formerly part of the description
> for highway=unclassified is still valid:
>
> "Unclassified roads typically form the lowest form of the
> interconnecting grid network."
>
> It was removed here "(Tidying up the struck bits)":
>
> http://wiki.openstreetmap.org/w/index.php?title=Tag:highway%3Dunclassified&oldid=316530


IMHO, it's a sentence that is both unclear and wrong. "Interconnecting grid
network" has no significance: if it wasn't interconnecting it wouldn't be a
network, and a grid network is just a specific case of a network but the
unclassified applies to any kind of network. Also, highway=unclassified is
not the lowest degree: there's highway=residential in any kind of urban
centre, and highway=track in the country.

The sentence may be good if that "interconnecting grid network" was
clarified. For example, one could consider the highway=unclassified ways to
be the lowest degree for roads that are not used (almost) exclusively by the
locals. In that sense, it would be a sort of "lesser tertiary" when defining
the structure of the road graph in a urban area. My two cents.


> cheers,
> Martin


Regards,

Simone
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