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submitted 7 months ago by funny@lemmus.org to c/asklemmy@lemmy.world

I found such a photo on the Internet and became interested in what function such a structure could perform.

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[-] StarManta@lemmy.world 592 points 7 months ago

My guess is that it will be a “nature highway” so migratory species can cross over the road

[-] NarrativeBear@lemmy.world 418 points 7 months ago

1000006081

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.

[-] RealFknNito@lemmy.world 126 points 7 months ago

So they're literally building the mountain next year. Neat.

[-] NeoNachtwaechter@lemmy.world 17 points 7 months ago

They dug it out before. Later they rebuild it. But if they wait for a year, nature suffers much.

[-] FunderPants@lemmy.ca 43 points 7 months ago

Looks like a nice choke point for a predator to hang about.

[-] SzethFriendOfNimi@lemmy.world 46 points 7 months ago

Possibly but I’d think it’s still safer than vehicles and less disruptive to overall migration for a given species.

I wonder if there’s been any studies showing how effective, if at all, these are.

[-] NarrativeBear@lemmy.world 39 points 7 months ago

There have been study's, these crossing are usually design to feel like open fields in a sense, so most animals will cross quick and on high alert to get through the "opening" in the field.

[-] FooBarrington@lemmy.world 29 points 7 months ago

Are there any predators smart enough to strategize like this? I know that some use water holes as hunting grounds, but that's probably more instinctive than actual strategy.

[-] gohixo9650@discuss.tchncs.de 30 points 7 months ago

Are there any predators smart enough to strategize like this?

it is the predators that build such passages. Have you ever seen any construction company building them? Even in the first photo that is under construction, there is not any human worker in sight

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[-] NarrativeBear@lemmy.world 19 points 7 months ago

It's taken into consideration of the design of these crossings.

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[-] hexabs@lemmy.world 15 points 7 months ago

-- Mountain Lion Sun Tzu

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[-] Jerb322@lemmy.world 104 points 7 months ago

Sure looks like an animal crossing.

[-] LazaroFilm@lemmy.world 40 points 7 months ago

Why do they put deer crossing signs on the highway? Why can’t they put them on smaller roads instead‽

[-] Kalkaline@leminal.space 24 points 7 months ago

Also, deer can't read street signs, so they don't know where to cross.

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[-] spankinspinach@sh.itjust.works 69 points 7 months ago

This is the one! They're ridiculously effective, so much so that my home provinces is sinking like 250 million into building 5 more of them over the next 5 years

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[-] Slow@lemmy.today 19 points 7 months ago

Will there be compacted earth on top of the tunnel so animals can walk?

[-] nxdefiant@startrek.website 44 points 7 months ago

Yep, they call them land bridges. More of a hill than a mountain, but the meme is right!

[-] Slow@lemmy.today 17 points 7 months ago

This is cool. This is the first time I have heard about such projects.

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[-] AphoticDev@lemmy.dbzer0.com 240 points 7 months ago

That's an unfinished nature bridge.

[-] Geth@lemmy.dbzer0.com 93 points 7 months ago

Quite a common feature in Europe. Gives the animals safe passage over busy roads.

[-] Fedizen@lemmy.world 37 points 7 months ago

not just that but it saves human lives as well by reducing animal collisions.

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[-] Syndic@feddit.de 28 points 7 months ago

More or less safe. Predators often camp these choke points for obvious reasons.

[-] Rubanski@lemm.ee 10 points 7 months ago
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[-] jojowakaki@lemmy.world 8 points 7 months ago* (last edited 7 months ago)

I read pedesterians often camp these choke points. I was picturing hobo joe sitting there to catch a passing rabbit or deer for a good meal.

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[-] BURN@lemmy.world 97 points 7 months ago

They disrupt the nature a little less. Animals aren’t hit crossing the street because they can go over and other small benefits like that. They also look nice and tunnels are fun when your car sounds nice

[-] drdalek@lemmy.dbzer0.com 11 points 7 months ago

Yep, I love a good nature bridge!

[-] CADmonkey@lemmy.world 87 points 7 months ago* (last edited 7 months ago)

It's not finished. It will look like this when they complete it. It's a nature bridge.

[-] NostraDavid@programming.dev 25 points 7 months ago

If a duct that transfers water is an Aquaduct, then a duct that transfers nature is an Ecoduct

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[-] samus12345@lemmy.world 13 points 7 months ago

The caption is a joke, but it's basically correct.

[-] FromNLWithLove@feddit.de 66 points 7 months ago

We had a few of these built in my country to allow wildlife to cross safely.

[-] silas@programming.dev 13 points 7 months ago

We’ve had a few of these built on my planet too actually

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[-] tallguy_97@lemmy.ca 36 points 7 months ago

This kind of looks like the new one they're building in Banff National park. I drove through over the summer when they started it. They have a bunch of them set up throughout the park.

https://discoverapega.ca/stories/wildlife-crossings-key-to-highway-safety-in-banff/

[-] m0darn@lemmy.ca 33 points 7 months ago

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

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[-] Gallardo994@sh.itjust.works 21 points 7 months ago

// TODO: Support mountain package when it releases

[-] idunnololz@lemmy.world 20 points 7 months ago
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[-] dubbe@lemmy.world 15 points 7 months ago

Could be for a skii-slope as well. There are similar structures in Are, Sweden for example.

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[-] kaotic@lemmy.world 15 points 7 months ago
[-] dubbe@lemmy.world 9 points 7 months ago

I Are they are used to ski over the road, it enables the slope to go all the way to the city cente.

[-] MrJameGumb@lemmy.world 9 points 7 months ago* (last edited 7 months ago)

They're probably going to build an overpass on top of it later

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this post was submitted on 29 Nov 2023
715 points (94.3% liked)

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