[Tagging] Underground Waterways

Willi willis at gmx.de
Sat Jan 8 04:18:33 GMT 2011

On Fri, Jan 7, 2011 at 3:03 PM, David Fawcett <david.fawcett at gmail.com>
> Would tunnel=yes be an inappropriate tag?

Yes, according to the Wiki:

"The tunnel tag is used to map ways that runs through an underground

You just need to add tunnel=yes where you like to have a tunnel on the
section of highway (for road or rail tunnels) or waterway (e.g. channel


tunnel=yes is any tunnel.
tunnel=culvert is a more specific tunnel.

Similar for bridge: http://wiki.openstreetmap.org/wiki/Key:bridge.

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