[Tagging] Rare route=* values - route=power

Warin 61sundowner at gmail.com
Mon Jan 13 03:07:01 UTC 2020

On 13/1/20 11:36 am, François Lacombe wrote:
> Hi Joseph,
> Le sam. 11 janv. 2020 à 06:21, Joseph Eisenberg 
> <joseph.eisenberg at gmail.com <mailto:joseph.eisenberg at gmail.com>> a écrit :
>     Who is using route=power?
> Some electricity mappers including me.
> route=power represents a circuit (metallic continuity) between two or 
> more substations.

Continuity can be had by the lines sharing a node. In the same way roads 
share a node to enable routing.

> It is different from a line as a physical lines can hold several of 
> those circuits for a given distance (situations where you have n x 3 
> cables in a 3-phases power network).

I would expect a line that has n*3 cables to be tagged cables=3;3 (for 
n=2, add more ;3 for more n). This would signify that the 3 phase 
circuits are separate.

Humm problem in identifying which of the 3 phases is connected to which 
when the line splits off.

Who uses this route relation - as in a end use? Or is this a 'build it 
and they will come' thing?

>     It has no documentation except for a rather confusing Proposal page
>     (https://wiki.openstreetmap.org/wiki/Proposed_features/Power_routing_proposal/Tagging_similar_to_Transportation_routes)
>     but it's used 15,000 times.
> The proposal didn't reach the requested consensus.
> There are currently two options for power routing, including 
> route=power but until now we didn't manage to find a single solution 
> to be voted. Discussion is still open I think.
>     Is this feature actually useful and verifiable?
> It is really useful and verifiable : follow the connected cables.
> Some countries like France make open data available that describe 
> those relations.
> See this Overpass query to see how it's going for RTE in France : 
> https://overpass-turbo.eu/s/yUw
> We've just finished a few days ago to complete all ~1520 relations for 
> 400kV and 225kV.
> Le sam. 11 janv. 2020 à 07:03, Warin <61sundowner at gmail.com 
> <mailto:61sundowner at gmail.com>> a écrit :
>>     Is this feature actually useful and verifiable?
>     Not usefull.
> Wow, how can you say that?
>     However I view them similar to roads .. there maybe a power line there .. but 'traffic' can be in both directions.
>     I see no point in having a dedicated 'route' for power.
> Let us know how you can map this without a route relation :
> https://www.openstreetmap.org/relation/6194774
> Given the fact this line holds two independent circuits : 
> https://www.openstreetmap.org/way/130110647
> All the best
> François
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