Drivers: Prepare for detours Aug. 20, 2016, during a full closure of westbound State Route 18 near Tiger Mountain State Forest.
Washington State Department of Transportation (WSDOT) will close all westbound lanes of SR18 from Interstate 90 to Issaquah-Hobart Road Southeast from 4 to 10 a.m. for paving maintenance work. The work is weather dependent.
Drivers on Snoqualmie Parkway and I-90 who wish to go westbound on SR18 will be detoured onto westbound I-90 near Snoqualmie.