An update just came in from the WSDOT reporting that all eastbound traffic on state Route 164 must exit.

The Washington State Patrol is investigating the accident.

At this time, there is no estimate when the eastbound lanes will reopen.

Drivers are urged to use alternate routes.

Original post:

Around 9 a.m. today a collision on state Route 18 near eastbound SR 164 had been reported.

According to the Washington State Department of Transportation, the collision was blocking all eastbound lanes.

At this time, there is no information when it will be cleared or if it has been.