Box truck rollover blocks 4 southbound I-5 lanes in DuPont

A rolled-over box truck is blocking the four left lanes of southbound I-5 in DuPont early Tuesday morning.

The collision occurred at roughly 5:21 a.m. near Steilacoom-DuPont Road at milepost 119, according to the Washington State Department of Transportation (WSDOT) Real Time Travel Map.

Traffic is getting by in the far right lane of southbound I-5.

Washington State Patrol (WSP) Trooper Juan Martinez noted that a tow truck is on the way to remove the truck from the highway.

Blocking collisions SBI-5 near milepost 119 involving a rollover box truck. The four left lanes are blocked. Traffic getting by in the right lane. Tows are on the way https://t.co/MunpYWS3XW

— Trooper Juan Martinez (@wspd1pio) November 10, 2026

Martinez told KIRO Newsradio Traffic that a car spun out, leading to the box truck colliding with it. The driver of the car is being transported to the hospital in an unknown condition, while the box truck driver remains on scene with no severe injuries.

Drivers are urged to seek alternate routes and expect delays.

There is no estimated time for the lanes to reopen.

This is a developing story; check back for updates.

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