Update as of 9:04 a.m.: The wreckage is cleared but backups were still causing delays.
Initial post: A multivehicle collision on state Route 16 near Wollochet Drive Northwest was causing traffic backups Tuesday morning, according to the state Department of Transportation.
The crash was reported about 8 a.m. in the eastbound lanes at milepost 12.
Traffic was reduced to a single lane.
No details about the collision were immediately available.
Stacia Glenn: 253-597-8653