Wildlife crossings stop roadkill. Why aren't there more?

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  • Published on:  Monday, July 3, 2017
  • A better way for animals to cross the road.

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    Highway Wilding: http://www.highwaywilding.org/
    ARC Solutions: https://arc-solutions.org/
    Wildlife-Vehicle Collision Reduction Study: Report To Congress: https://www.fhwa.dot.gov/publications...
    Western Transportation Institute Road Ecology Program: https://westerntransportationinstitut...
    "How Effective Is Road Mitigation at Reducing Road-Kill? A Meta-Analysis" T. Rytwinski et. al: https://www.ncbi.nlm.nih.gov/pubmed/2...

    Leanne Allison/Jesse Whittington: https://vimeo.com/57614273
    Cminna: https://cnclips.net/video/D2yAVuacAoM/video.html
    DKrieger: https://commons.wikimedia.org/wiki/Fi...
    El-polacio.com: https://cnclips.net/video/E4KpjwcJs24/video.html
    Benjamin P. Y-H. Lee: https://commons.wikimedia.org/wiki/Fi...
    m01229: https://flic.kr/p/FVDvhe
    Maine Audobon: https://cnclips.net/video/WFUqPffRuEg/video.html
    Larry Lamsa: https://flic.kr/p/Sbe5KM
    Tamsin Mackay: https://cnclips.net/video/AxfLddaWS7g/video.html
    Ganesh Raghunathan: https://cnclips.net/video/0bverFVj-OY/video.html
    Isydia Vibes: https://cnclips.net/video/imSMcX16ZzU/video.html
    Washington State Department of Transportation: http://wsdotblog.blogspot.com/2015/06...
    Wyoming Department of Transportation: https://cnclips.net/video/slE0wem1z6g/video.html


    Roadkill harms animals, endangers drivers, and costs billions of dollars every year. In Banff National Park in Alberta, Canada, wildlife scientist Tony Clevenger and other researchers have proven that constructing overpasses and underpasses for animals decreases roadkill and improves ecological connectivity. Many animals, including deer, elk, grizzlies, moose, lynx, cougars and others, have been recorded using the structures. Although animal crossing structures have been fairly common in Europe for a few decades, there are relatively few in North America. In The United States, the crossing structures that have been built, in places like Washington State and Wyoming, were partly inspired by the research Clevenger conducted in Banff. To create even more of them, Clevenger worked with a team of experts, including ecologist Nina-Marie Lister, to organize a design competition. The competition, named ARC solutions, was held in order to generate more cost-effective crossing designs that are also sustainable and environmentally friendly. The competition generated many new models for animal crossings and Clevenger and Lister hope that highway planners will adjust their approach to structure design based on them.


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