Animal Overpasses

Highways can be deadly for animals, especially when they cut directly through habitats. A recently completed design competition sought ideas for creating animal-safe bridges over highways.
December 16, 2010, 6am PST | Nate Berg
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"The ARC International Wildlife Crossing Infrastructure Design Competition asked engineers, ecologists and landscape architects to come up with an overpass bridge for pedestrians of the furry sort. The goal: to encourage wildlife to roam freely across their habitat-even when that habitat is bisected by a highway.

The five finalists, unveiled last week in Denver, designed multimillion-dollar bridges that aimed to tempt animals across with tasty foliage, green valleys, gentle streams and curved walls to block out noise and vibrations from the traffic below."

This type of design has gathered momentum in recent years, but most of the traffic-avoiding pathways have tunneled underground.

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Published on Sunday, December 12, 2010 in The Wall Street Journal
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