|tunnel = avalanche_protector|
|A structure intended to protect roads and railways from avalanche in mountains.|
|Used on these elements|
|Tools for this tag|
The tag tunnel=avalanche_protector is added to a highway=* way in case of tunnels alongside mountains. These constructions are similar to a colonnade but stand for themselves and are not attached to a building. Their purpose is to protect the highway or railway from avalanches and landslides.