Largest wildlife overpass in North America opens across six-lane interstate
How do animals know to use wildlife crossings?
The Arizona Game and Fish Department recently addressed this common question about a new wildlife crossing under construction on Interstate 17.
Similar to the crossing in Colorado, the I-17 crossing will include "exclusionary fencing."
"This is a strip of tall fencing that stops animals trying to cross the road and guides them to the overpass instead," the department said. "Data collection from similar projects here in Arizona has shown that once animals learn to use the wildlife crossing, they pass that knowledge down to the next generation."
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