(Concordia University) A study of a stretch of highway in Quebec looks at the effect of road fencing and underground passages on the number of roadkill deaths of small and medium-sized mammals. The study found that roadkill numbers were higher at the ends of road fences, suggesting that they are not long enough to prevent animals from crossing busy roadways.

Original source: https://www.eurekalert.org/pub_releases/2019-02/cu-ans021519.php