[Tagging] siphon underpass

[John Willis]

Javbw
> On Jun 9, 2017, at 12:10 AM, Volker Schmidt <voschix at gmail.com> wrote:
> 
> @Javbw
> how are these tagged?

All of them (I have seen) are tagged as tunnel=culvert, but some are huge - going 200m across under a regional river, big enough to drive a car in.

A tag specific to this type of feature seems more descriptive than a tag for a straight tunnel or a pipe in a road bed. 

http://www.openstreetmap.org/way/60247913


Javbw 
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