CHOKEPOINTS

Westbound SR 18 closed due to fatal crash after motorcyclist runs into back of semi-truck

Jun 16, 2026, 6:32 PM | Updated: 6:53 pm

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A photo of a Washington State Patrol patch. (Photo courtesy of the Washington State Patrol)

(Photo courtesy of the Washington State Patrol)

Westbound SR 18 is closed due to a fatal collision after a motorcyclist ran into the back of a semi-truck.

The highway is closed near milepost 26, west of I-90, Washington State Patrol Trooper Rick Johnson posted on X at 6:19 p.m. Tuesday.

Johnson urged drivers to use caution through the area.

Eastbound SR 18 was previously closed, but has since reopened.

This is a developing story, check back for updates.

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Westbound SR 18 closed due to fatal crash after motorcyclist runs into back of semi-truck