Cascade critter crossings: How I-90 became safer for wildlife, drivers

By

Vonnai Phair

Seattle Times staff reporter

Interstate 90 fractures the spine of the Cascades at its midpoint.

For wildlife that once freely roamed the region from Canada to Oregon, the highway was an impassable barrier — until the Washington State Department of Transportation started building wildlife crossings in Snoqualmie Pass 15 years ago.

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