Span bridge on Colorado I-70

Safe Passage

Safe Passage was written for engineers, biologists, and conservationists in the Western United States and Canada who are working in the field on wildlife crossings on a day-to-day basis. Safe Passage addresses the technical aspects of creating the most ecologically effective and economically efficient wildlife crossings structures. You will find practical information on tools for connectivity planning, types of wildlife crossings, and design guidelines for carnivores and other wildlife. View the manual in PDF format: Safe Passage.