[Tagging] tunnel=culvert

[Richard]

On Sat, Oct 24, 2015 at 11:44:17PM -0700, GerdP wrote:
> Hi all,
> 
> up to now I've used tunnel=culvert 
> http://wiki.openstreetmap.org/wiki/Tag:tunnel=culvert
> like this:
> 1) JOSM warns that a waterway and highway are crossing
> 2) I split the waterway into 3 parts and add 
> tunnel=yes, layer=-1 to the short one in the middle (or 
> split the road and add bridge=yes,layer=1)
> 
> Now I noticed that the wiki also "allows" to use tunnel=culvert
> on a node, but this is rarely used 
> (taginfo shows 945 tags on nodes and > 305.000 on ways) 
> I wonder why. The usage of a node seems to be clearer for me,
> at least in those cases where the tunnel is almost as broad as the 
> road. In my eyes it is the same case as with a 
> railway=level_crossing. We map it as a node (and only as a node).
> Did I miss something?

there is also https://wiki.openstreetmap.org/wiki/Proposed_features/Simple_one_node_bridge

Richard