[Routing] Snow chains required as temporary obstruction

[Imre Samu]

Hi Patrick,

> I'd appreciate the view and comments from people concerned with routing.

IMHO:   start a discussion in:
https://github.com/valhalla/valhalla/discussions

And probably we need a "Country -> Snow chain legislation; Compliant dates
; Minimum tread depth " metatable
like this:
https://www.uniroyal-tyres.com/car/tyre-guide/winter-care/winter-tyres-mandatory
For the speed limits - there is a nice table
 -
https://wiki.openstreetmap.org/wiki/OSM_tags_for_routing/Maxspeed#Motorcar

Best,
Imre






Patrick Strasser-Mikhail <patrick at wirklich.priv.at> ezt írta (időpont:
2021. nov. 18., Cs, 21:50):

> Hello!
>
> I'd love to see good support for facultative (expectable, but not
> upfront known) obstructions in routing results.
>
> Examples:
> * Snow chains: Some roads have known requirements for snow chains in
> case of ice or snow. This is nothing that would strictly prevent taking
> a route via these roads, but it is of great use to know that upfront,
> and either prepare by packing your snow chains in the trunk, or asking
> your router to avoid roads with that hazard.
>
> * The same applies to roads that are temporarily closed (night, winter),
> like pass roads. These could be tagged with e.g. access:conditional=no @
> (Nov-Apr) or opening_hours=May-Oct like
> https://www.openstreetmap.org/way/26328760,
> hhttps://www.openstreetmap.org/way/53377253,
> https://www.openstreetmap.org/way/25555964
>
> Currently,
> https://wiki.openstreetmap.org/wiki/Proposed_features/Snow_chains is
> under discussion.
>
> I'd appreciate the view and comments from people concerned with routing.
> I'm sure there is still room for improvement or things to consider.
>
> Cheers,
> Patrick/trapicki
> --
> engineers motto: cheap, fast, good - choose any two Increase the
> Awesome, reduce the WTF!
>
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>
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