All lanes of westbound Interstate 90 were blocked in Bellevue on Sunday evening, just after the exit to Interstate 405.

Multiple cars had been involved in a collision after it snowed briefly in the area, the Washington State Department of Transportation said just after 6:30 p.m.

Vehicles were detoured to exit at I-405.  The traffic jam was cleared by 8:30 p.m., WSDOT said.