[Tagging] Underground power lines in tunnel

[Martin Koppenhoefer]

On 05/giu/2013, at 11:30, François Lacombe <francois.lacombe at telecom-bretagne.eu> wrote:

> We don't need to create dedicated geometry for an highway tunnel since the geometry of the road gives the path followed by this tunnel.



for Road tunnels this is mostly true, but if you look at caves or mines it is different. I was more pointing at bridges here anyway.


> So we can precise it in the "role" attribute of the tunnel/bridge relation member which tube the road way represent. Since OSM doesn't manage relation member attributes at all, it will be difficult.


of course relations can have tags - it is up to the consumer to do sth with them

cheers,
Martin