Snoqualmie Pass Seperates Eastern Washington from Western Washington. I-90 from (Seattle Area) North Bend, WA to Ellensburg, WA has be shut down for almost four straight days. The Cascade Range has received 5 feet of new snow in the last five days.
I-90 is the main East - West route in Washington.
http://www.flickr.com/photos/wsdot/
Take a look.
Keith