1 dead, 1 hurt in head-on crash on SR-18 near Tiger Mountain Summit

A woman was killed and another woman was injured in a crash on State Route 18 near Tiger Mountain Summit Wednesday afternoon, Dec. 13, 2017. (Photo: Washington State Patrol

NEAR ISSAQUAH, Wash. - One person was killed and a second person was seriously injured in a head-on crash on State Route 18, near the Tiger Mountain Summit, according to the State Patrol.

The crash happened around 4:30 p.m. near SE 104th Street.

Troopers said it appears the crash was caused by a metal driveline, typically found underneath cars, that skidded down the highway. It slammed into a car headed eastbound on SR 18. The impact caused that car to spin into the westbound lands and slam head-on into an SUV.

“It is an unfortunate circumstance, so we're just trying to figure out where this came from,” said Trooper Rick Johnson. “That's under investigation where that driveline came from. There's a couple of different possibilities. If it were a driveline from a vehicle, it most likely would be disabled, but from what I understand there are other options where a driveline can be lost."

Troopers said the woman driving the car was killed at the scene. The woman driving the SUV was taken to the hospital in serious condition.

The State Patrol said it doesn't know where the driveline came from and there were no disabled cars in the area.

Investigators said if the driveline came from a load that was wasn't properly secured, that is a violation of the law, though troopers add they are still looking at how it came off and want to rule out all the possibilities.

SR-18 was closed in both directions between I-90 and the Tiger Mountain Summit for nearly five hours while the State Patrol investigated and cleared the scene. All lanes of SR 18 have since reopened.

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