[Talk-us] MO Stare Road Classifications.

Paul Johnson baloo at ursamundi.org
Mon Mar 6 19:33:39 UTC 2017

On Mon, Mar 6, 2017 at 12:01 PM, Nathan Mills <nathan at nwacg.net> wrote:

> Typically state DOT functional classification freeway and expressway both
> imply limited, but not necessarily fully controlled, access, so trunk is a
> good first approximation. However, the DOT classification diverges enough
> from OSM tagging standards/consensus (such as it is in the US, anyway) that
> using it as anything more than a basic reference where decent satellite
> imagery and ground truth observations are unavailable is a bad idea.

Fully agreed.  In Oklahoma and Arkansas, there's plenty of county roads
that are barely passable with a capable 4x4 with decent ground clearance
and even a state highway that's never been paved.  And then at least
Missouri has two state highway systems with two very different
purposes...so Missouri's classifications don't map cleanly on an exact
basis but do map nicely when being internally consistent with the rest of
north america...
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