Three left lanes of westbound Interstate 90 in Seattle’s Mount Baker Tunnel are blocked Friday afternoon following a collision, according to the Washington State Department of Transportation (WSDOT).
According to sigalert.com, the backup extends from the scene across Mercer Island, to Bellevue.
The crash happened just east of Rainier Avenue South at milepost 4, blocking both the left general-purpose lane and the high-occupancy vehicle (HOV) lane, WSDOT said…