UPDATE as of 2:52 p.m.: All lanes now open.
UPDATE: Looks like two lanes now open, at least from perspective of DOT camera.
UPDATE: One westbound lane now open.
UPDATE: State Trooper Guy Gill says three cars involved. Tow truck now on scene. Any injuries appear to be non-life threatening, Gill says.
PREVIOUS POST: The state Department of Transportation is reporting that a five-car crash has closed the westbound lanes of state Route 16 near Olympic Drive in Gig Harbor.
Gig Harbor fire trucks and state troopers are on the scene.
It is unclear at this time if there are injuries.