Esta publicación también está disponible en: EspañolTranslator: Machine translation with human reviewAfter four years of debate, Costa Rica’s Legislative Assembly approved Law 23.176, which mandates the incorporation of wildlife crossings into the country’s public infrastructure to ensure the safe movement of wildlife amid habitat fragmentation. The study recorded the presence of 88 vertebrate species, including pumas, ocelots, congo monkeys, white-faced monkeys, red howler monkeys, otters, deer, and peccaries. Although wildlife crossings are indeed used by different species, mortality remains high in some segments where these structures already exist. Based on the studies conducted, the group of experts concludes that the crossings, on their own, do not reduce roadkill. As a result, infrastructure designed for wildlife must be included in project budgets, starting from the planning and pre-investment stages.