[Talk-br] Road network improvements in Brazil

[Paulo Carvalho]

In addition to islands, "singularities" are another source of problems in
routing.  Singularities are places that, despite being connected, are not
possible to leave (black hole) or to reach (white hole).  Flow simulations
should also be conducted on road meshes as to quickly detect inconsistent
direction in major roads.

Em sex, 9 de nov de 2018 às 15:24, Nelson A. de Oliveira <naoliv em gmail.com>
escreveu:

> Hi, Andrew.
>
> On Fri, Nov 9, 2018 at 2:38 PM Andrew Wiseman <andrew_wiseman em apple.com>
> wrote:
> > Are there places you know of that need improvement or types of problems
> you see frequently? Also I saw these guidelines about road classifications,
> are they the most recent classifications used by the community, or are
> there any others we should be aware of?
> https://wiki.openstreetmap.org/wiki/Pt:How_to_map_a
>
> I believe that most of the time you will not have to worry about
> reclassifying entire highways, but only small segments to maintain the
> continuity of the roads.
> Here https://www.openstreetmap.org/#map=15/-10.8073/-37.1696 we have
> two examples:
>
> - a primary segment https://www.openstreetmap.org/way/276900076 which
> is overclassified (it should be secondary)
> - a tertiary segment https://www.openstreetmap.org/way/163099566 which
> is underclassified (should also be secondary)
>
> The Unmapped Places is also nice to locate possible places where we
> are missing highways:
> https://resultmaps.neis-one.org/unmapped#5/-13.966/-49.482
>
> The Routing view from OSM Inspector should also be another source for
> possible problems/improvements (specially to detect islands).
>
> Best regards,
> Nelson
>
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