Deer leap out at cars; toads ponderously hop across the road; insects splat against windscreens. Many animals risk their lives crossing our roads – those strips of asphalt that carve up their habitat – in search of food and mating opportunities. How can we solve this conflict between human and wildlife traffic? Using motion-activated cameras and with a good helping of patience, the filmmakers have gathered astonishing insights into the behaviour of wildlife along our roadways.