An archive of project information including environmental documents, open house material and a virtual tour of the I-90 Project and more.
From project needs, to avalanche control work, and historic photos, this collection is loaded with interesting I-90 photos on Flickr.
The History of I-90 - Snoqualmie Pass East
Find out how I-90 went from a trail that was crossed by perhaps a dozen people a year to the major east to west transportation corridor in Washington.
Burl the Squirrel Environmental Education
Burl the Squirrel is an educational outreach tool used to teach children about the importance of wildlife crossings along the I-90 corridor.