Figure 1.3.8 – Exclusion fences along highways are installed to reduce accident risks, but their efficacy depends on design and maintenance. A: Animals may find gaps and weak-points or force fences when the motivation to cross the road is high enough (Photo by: M. Olsson); B: Fences need to be combined with safe crossing facilities for wildlife to achieve their full safety potential and maintain wildlife mobility (Photo by: O. Geibrink).