美國佛蒙特州的一條公路下安裝了兩條野生動物地下通道，研究團隊分析了地下通道建成前後的路殺情況，發現這些通道令該地區兩棲動物的路殺率降低了80%。世界各地的青蛙、蠑螈等兩棲類都面臨許多嚴重威脅，例如棲息地喪失、氣候變遷、致命的壺菌以及路殺等問題。

A pair of wildlife underpass tunnels were installed under a road in Vermont, USA, and research team studied the road kills before and after the underpasses, and shows these passes helped reduce amphibians deaths by 80% in the area. Frogs and salamanders around the worlds are facing many serious threats like habitat loss, climate change, fatal chytrid fungus as well as road kills.

https://www.ecowatch.com/wildlife-underpasses-amphibian-road-deaths-prevention.html