May 28—Washington state's main driving route from Snoqualmie Pass to Auburn, Federal Way and Tacoma will be blocked for five days during reconstruction where I-90 exits into Highway 18. All Highway 18 lanes below the I-90 bridges at Exit 25/Snoqualmie Parkway will close from 9 p.m. Thursday, May 29, until 5 a.m. Wednesday, June 4, with detours that will likely cause lengthy delays on the ...