The information we have on this website has been developed by our research and feedback from experts ranging from engineers to wildlife specialists.
As a team we determined that site 2 with either alternative is best and will benefit the Mountain Lions most significantly. The locations we chose can support either of the design alternatives. These design alternatives were being considered at both sites. The second design alternative is a prototype design referred to as the "Hypar-Nature Design." The elements used in these design considerations were cost, installation, the ability for alterations, innovation, animal capacity, and visual effects. These elements consisted of recommendations for Wildlife Overpasses, Caltrans standards, and also a structural analysis to test for feasibility. Wildlife fences and crossing structures benefit human safety. Advertisement - The Green Swamp region of Florida is more than a half-a-million acres, from wetlands and lush greenery to flat woods and towering pines. Researcher discusses wildlife crossings with students on wildlife overpass.
The first alternative is a traditional wildlife overpass that was developed with the use of design element considerations. A wildlife underpass crossing along I-4 in Polk County is part of the state’s efforts to reconnect wildlife habitats divided by roadways. The overpass design features two possible design alternatives. Some of the criteria used were conserved land on both sides of the freeway, wildlife accessibility, light pollution, constructability, and human activity. We chose these locations based on a carefully selected and researched set of criteria. (In this report, tunnel and underpass are used interchangeably to mean a box culvert installed under the roadway that functions as a wildlife crossing. Throughout our project, the Overpass Design Team has established two possible overpass site locations. The design of Passageway 3 is a Wildlife Overpass structure that provides a safe, natural corridor for Mountain Lions to cross. The Overpass design is also preferred over other methods because a wide range of different wildlife species have been seen to use Overpasses more than Underpasses (according to 17-year-long study on Banff National Park’s wildlife infrastructure). Our design makes the most of this fact by covering the Overpass in artwork that depicts its usage and peaks the public's interest. The Overpass design also has an important impact on public awareness of wildlife and connectivity issues since it will be seen by the public more than a Culvert or Underpass would. This design is ideal because it blends with the surrounding landscape to create an easily accessible and attractive crossing for wildlife to use. The goal of this design is to increase wildlife connectivity, especially between two Mountain Lion habitats, and in turn lower the risk of inbreeding and vehicle collisions that these populations currently face.
Our Overpass design creates a bridge over the I-15 freeway that connects two currently isolated habitats.
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