Updated:AUBURN, Wash. —
A semi rolled over on State Route 18 in Auburn on Wednesday, killing the driver.
The truck was traveling southbound on SR18 when it struck a barrier and flipped over near State Route 167.
Chopper 7 video showed the semi in a twisted heap along the side of the road.
Firefighters put the driver on a stretcher and moved him up an embankment for treatment, but he was pronounced dead.
Troopers said they are investigating the cause of the crash.
A section of road is closed as troopers investigate.