The wreckage of a vehicle that struck a parked semi trailer on Alderwood Mall Parkway early Wednesday. At least three people were killed. (Snohomish County Sheriff’s Office)

The wreckage of a vehicle that struck a parked semi trailer on Alderwood Mall Parkway early Wednesday. At least three people were killed. (Snohomish County Sheriff’s Office)

3 dead, teen stable after car slams into trailer in Lynnwood

LYNNWOOD — Traffic detectives continue to investigate what caused a Kia Sorento to slam into a parked semi-tractor trailer early Wednesday, killing the driver and two passengers.

A fourth person, a 15-year-old girl, survived the crash and was taken to Harborview Medical Center in Seattle. She was listed in stable condition, Snohomish County sheriff’s spokeswoman Shari Ireton said.

The crash happened around 4 a.m. in the 16900 block of Alderwood Mall Parkway. The Kia was northbound when it plowed into and under the unattached trailer.

Rescue crews had to lift the trailer off the heavily damaged SUV to reach the driver and three passengers. The driver and front seat passenger were dead in the vehicle. One of the back seat passengers died in an ambulance. The 15-year-old was rushed to Harborview.

Additional information about those killed was pending notification of their families, according to the Snohomish County Medical Examiner’s Office.

Semi-trucks often park along that stretch of road, which is legal, according to Ireton. The tractor-trailer was facing the wrong way, which is a parking infraction, she said.

The road was closed for hours between Highway 525 and 164th Street SW while investigators gathered evidence.

Diana Hefley: 425-339-3463;

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