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How do animals safely cross a highway? Take a look.

The engineers were used to building overpasses for vehicles, not wildlife. But every spring and fall, collisions with mule deer and pronghorn spiked in the Pinedale region of Wyoming, where Route 191 disrupted the animals’ age-old migration paths. So the state Department of Transportation joined with the state wildlife agency and nonprofit groups to create a series of crossings, including the one pictured above. Collisions have dropped by roughly 90 percent.

 

Read more about wildlife crossings from Catrin Einhorn with The New York Times here.