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They had to build the animals (especially the elk) their own crossing because that’s where the natural migration crossing is and after the highway was built there were far too many accidents. It didn't take the animals long to learn that this was their "road."
Meanwhile back in the U.K. the toads need to cross the roads.
The 'Toads on Roads' campaign is one of Froglife's most established projects, promoting the plight of toads during migration, recruiting volunteers to help monitor toad crossing sites and working with other organisations to ensure pressure is put on planners and developers to consider local populations of amphibians.
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This is compassion for animals, and amphibians. Bless 'em all.