Safe Passages brings together the latest information on the emerging science of road ecology as it relates to mitigating interactions between roads and wildlife. This practical handbook of tools and examples is designed to assist individuals and organizations reduce road-wildlife impacts. Detailed case studies span a range of scales, from site-specific wildlife crossing structures, to statewide planning for habitat connectivity, to national legislation. Contributors explore the cooperative efforts that are emerging as a result of diverse organizations - including transportation agencies, land and wildlife management agencies, and nongovernmental organizations - finding common ground to tackle important road ecology issues and problems.