Semi-truck crash on I-90 causes traffic delays near Issaquah, WA

Published September 24, 2026 6:53 AM PDT

A semi-truck rollover crash Thursday morning blocked multiple lanes of Interstate 90 near State Route 900.

(WSDOT)

WA Traffic: Semi-truck crash on I-90

Washington State Patrol Trooper Rick Johnson shared details of the crash on social media just before 6:30 a.m.

According to Johnson, the semi rolled over and blocked the two left westbound lanes. The driver sustained minor injuries.

The roadway reopened after a few hours. The cause of the crash remains under investigation.

A semi-truck rollover crash Thursday morning blocked the two left westbound lanes of Interstate 90 near State Route 900 in Issaquah. The driver sustained minor injuries, and authorities advised drivers to expect major delays in the area as crews worked to clear the scene. The cause of the crash remains under investigation, and no reopening estimate has been provided.

(WSP)

The Source: Information in this story comes from a social media post from Washington State Patrol Trooper Rick Johnson.

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