Update 12:16 PM: The collision on westbound SR 18 at I-90 is clear. All lanes open!
At Approximately 8:09 AM on SR 18 westbound at I-90 (MP 27), the Washington Department of Transportation (WSDOT) is reporting a collision blocking all lanes.
The Incident Response Team has arrived on the scene. The closure point is westbound SR 18 at I-90.
All lanes are blocked, so drivers should find alternative routes.