Serious crash near Stanwood tangles traffic, closes southbound I-5

SNOHOMISH COUNTY, Wash. — All lanes of southbound Interstate 5 were closed near Stanwood in Snohomish County after a serious crash.

The lanes have since reopened.

The Washington State Department of Transportation first reported the incident just north of 300th Street Northwest at 4:37 a.m. Tuesday.

It is not yet known how many cars were involved or if anyone was hurt.

As of 5 a.m., traffic was backed up about 4 miles.

All lanes reopened shortly before 6 a.m.

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