Three separate collisions have snarled traffic in Whatcom County, according to the Washington State Patrol.
The first crash, on southbound Interstate 5 just north of milepost 260, involved a semi-truck and a van.
Aid was sent to the area to provide precautionary care.
The two other collisions were along northbound I-5 near milepost 260 as well, one involving two semi-trucks and the other involving two vehicles.