Advocating high quality wildlife passage for the proposed expansion of Interstate 90 east of Snoqualmie Pass in Washington State Just east of Snoqualmie Pass in the Cascade Mountains of Washington State the state Department of Transportation is proposing to expand Interstate 90 from four lanes to six. This stretch of freeway cuts across several north-south wildlife corridors that must be protected and restored to preserve healthy wildlife populations. State citizens and the US Congress have spent tens of millions of dollars over the last few years to acquire and protect habitat within these corridors. The freeway expansion