UPDATE 501 pm: All lanes of westbound State Route 18 have reopened west of Interstate 90.
All lanes of westbound State Route 18 are blocked just west of Interstate 90 (milepost 26) due to rocks in the roadway on Tuesday, March 24.
There is no estimate when all lanes of SR 18 will reopen. People traveling through the area should seek alternate routes. Trucks should not use Issaquah city streets or Issaquah-Hobart Road, which are not suitable for freight traffic.
Real-time travel information is available from the WSDOT mobile app, the WSDOT Travel Center Map or by signing up for WSDOT’s email updates.
