U0DATE: As of 1:40 p.m., all lanes were open on Highway 101.
UPDATE: As of 1 p.m. one lane is open on northbound US 101 near Heritage St NW, however only cars and pickups are allowed through.
Original story: A multiple-vehicle collision on northbound Hwy 101 near State Route 8 has all lanes blocked, according to Washington State Patrol Trooper Guy Gill.
Lanes are expected to be closed for 30 minutes, Gill tweeted at 12:30 p.m.
Three cars are involved. There does not appear to be any life threatening injuries, according to Gill.