[Tagging] Access restrictions and expressway=yes

[Martin Koppenhoefer]

Am Mo., 22. Feb. 2021 um 15:23 Uhr schrieb Fernando Trebien <
fernando.trebien at gmail.com>:

> So, my point is that using only the physical characteristics for
> highway classification in OSM ends up indirectly encoding into the
> road network the regional and local wealth gaps, not reflecting their
> socioeconomic importance,
>
> Here in Brazil, the commercial cartographic tradition is to classify
> ways according to their importance for mobility in specific contexts.
> In remote areas, most streets in the city are unpaved, but even some
> unpaved streets are the "main" streets. If the classification does not
> reflect this, OSM becomes useless as a guide for moving around.
>


the general highway system in OSM has no requirements for paved roads when
it comes to the hierarchy to the road grid, track, service, residential,
unclassified, tertiary, secondary and primary: all can be paved or not. For
motorways and trunks, which are typically grade separated and tend to be
built for higher speeds, it is probably uncommon anywhere to have them
unpaved , but there isn't a surface requirement either. Of course local
communities can deviate from the general system and may have introduced
surface requirements in some cases, according to their local situation.

Cheers,
Martin
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