Keywords: accidents, animals, barrier, Big Pine Key, bridge, cars, cattle, collision, collisions, crash, crashes, crossing, culvert, deer, ecology, fence, fences, fencing, Florida, Florida Keys, grade, grate, guards, highway, highways, human, humans, impact, Key deer, mitigation, National Key Deer Refuge, National Wildlife Refuge, No Name Key, Odocoileus virginianus, Odocoileus virginianus clavium, passage, reduce, Refuge, road, road ecology, roadkill, roadkilled, roads, safe, safety, signs, structure, traffic, transportation, underpass, ungulates, vehicles, warning, wildlife