All lanes of westbound state Route 18 are blocked Wednesday morning near the Tiger Mountain summit due to a rollover crash involving a semi-truck.The Washington State Department of Transportation first reported the crash about 9:45 a.

Westbound State Route 18 was closed at I-90 for hours Wednesday after a semi-truck overturned near the Tiger Mountain summit.

Westbound lanes of State Route 18 is closed near Tiger Mountain and will be for several hours after a semi-truck rolled.

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