All lanes of westbound Interstate 90 are closed at Ellensburg after a semi-truck crashed near Cle Elum.
The crash happened shortly before 6 a.m. Tuesday.
Washington State Patrol Trooper Brian Moore said it was snowing hard at the time of the injury crash and that multiple sections of the guardrail were damaged.
The State Patrol, state DOT and tow trucks are working to clear the crashed semi and its load from the road.
The estimated time to open the westbound lanes is 1 p.m.
The alternate westbound route is US-97 to SR-970.
>>Download the KIRO 7 app for traffic and breaking news alerts