[Tagging] Culverts and Fords

[Martin Koppenhoefer]

2018-03-02 15:41 GMT+01:00 Vao Matua <vaomatua at gmail.com>:

>
> A culvert is a part of of road construction, a culvert would not exist
> without the road, but the culvert is utilized by the stream.  Personally I
> have physically installed culverts in road profiles where there is no
> watercourse.  If I try to add a culvert in JOSM without an additional tag I
> get a validation warning.
>
> Wouldn't a road/stream crossing without a culvert or bridge be called a
> dam?
>
> Isn't a culvert similar in rendering to an embankment?  An embankment is a
> tag applied to a road or railroad, but it is a level beneath the road or
> railroad.  A culvert happens to be perpendicular or so to the road rather
> than adjacent to it.
>


it is about the distinction "property" and "feature". For example
"embankment" can be a property of a road or railroad way (key: embankment),
or it can be a feature of it's own: man_made=embankment
Similarly, a road can be signed as being on a bridge (property bridge=yes)
but the bridge can also be mapped on its own: man_made=bridge

If you want to map a culvert without anything else, you could use
man_made=culvert

Cheers,
Martin
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