As highway systems have grown in North America, collisions between wildlife and vehicles have become a massive problem. These accidents include animals of all sizes, from elk to snakes, and each one takes a toll on the environment. Not only can these collisions cause harm for both the driver and the animal, roadways that cut through animals’ natural habitats can also cut off migration routes. For over 20 years now, the solution in Banff National Park has been its wildlife crossings, several dozen bridges that help animals cross the Trans-Canada…