Just east of Snoqualmie Pass in the Cascade Mountains of Washington, the state Department of Transportation is improving 15-miles of Interstate 90.  This stretch of highway is the transportation lifeline for freight and traffic connecting our state east to west.  The same stretch of freeway bisects a vital north-south wildlife corridor that state citizens and the US Congress have spent tens of millions of dollars over the last decade to conserve.

Formed in 2004, the I-90 Wildlife Bridges Coalition brought diverse stakeholders together to advocate for and ultimately support the high quality final design for the I-90 Snoqualmie Pass East Project that will be making our roadway safer for motorists and wildlife.  Construction is underway now with an anticipated completion date of 2029.

Photo credits on homepage:  WSDOT

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News on projects in the I-90 corridor

Get in Touch

Contact our coalition's administering organization Conservation Northwest for inquiries and information.

Find us at the office, by phone, or email at

Conservation Northwest, 1829 10th Ave W Suite B, Seattle WA 98119

206-675-9747

Email Coalition Coordinator Jen Watkins:  jwatkins@conservationnw.org