Federal Way woman dies after crashing car into semi-truck

A 20-year-old Federal Way woman died Thursday after crashing her car into the back of a semi-truck on state Route 18.

The King County Medical Examiner’s Office has not yet identified the woman.

The Washington State Patrol was searching for the driver of the truck, which did not stop after being hit. Troopers were unsure whether the driver realized what had happened.

The woman was traveling west on state Route 18 near Weyerhauser Way when her car hit the back of the slow-moving truck about 4 a.m.

She was taken to a local hospital with critical injuries and died soon afterward.

Anyone with information on the crash is asked to contact etective Vik Mauro at or 425-401-7746.

Stacia Glenn: 253-597-8653