Tag:tunnel=culvert

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Public-images-osm logo.svg tunnel = culvert
Culvert.jpg
Description
For a stream passing under a road. Use it on the section of stream passing under the road. Edit
Group: Waterways
Used on these elements
should not be used on nodesmay be used on waysshould not be used on areasshould not be used on relations
Useful combination
Wikidata
Status: in use

A culvert is a device used to channel water. It may be used to allow water to pass underneath a road, railway, or embankment for example. Culverts can be made of many different materials; steel, polyvinyl chloride (PVC) and concrete are the most common. Formerly, construction of stone culverts was common.

In some countries, the culvert structure is directly reused as a bridge in which case prefer the tag bridge=culvert. This tag does not apply for open-top culverts.

You may use tunnel=flooded to map larger and longer tunnels used to channelise any fluid.

How to Map

Apply to the section of covered waterway. Use the tag layer=* as usual for tunnels.

See Key:tunnel for a description of the preferred way of connecting culvert waterways to adjoining waterway sections.

Possible tagging mistakes

  • culvert=yes ‒ The culvert=yes syntax is deprecated (since 2010) due to ambiguity.[1] Please use tunnel=culvert instead. (While technically sound there is no use of culvert=no as of April, 2015, so avoid it altogether.)
If you know places with this tag, verify if it could be tagged with another tag.
Automated edits are strongly discouraged unless you really know what you are doing!

See also

References

  1. See the seemingly endless debate over the mailing list