I found such a photo on the Internet and became interested in what function such a structure could perform.
My guess is that it will be a “nature highway” so migratory species can cross over the road
These are great for wildlife as they provide a safe crossing over high-speed highways. They are usually design to be in already existing migration paths where moving a proposed highway may not work and not disrupting migration paths is of importance.
So they’re literally building the mountain next year. Neat.
Coquihalla highway has something like this to keep avalanches and rocks off the road.
It’s the only tunnel I’ve driven that has windows.
Great Bear Snow Shed https://maps.app.goo.gl/HJUSEtGB2Jg8FFTN7
Italy and austria have a lor of those because of the mountains.
