NB lanes of I-5 in SeaTac reopen 7 hours after deadly multi-car crash

The northbound lanes of I-5 in SeaTac were closed for almost 7 hours, and traffic was backed up over a mile at one point after a deadly multi-car crash on Thursday night.

The crash was first reported along the highway near S 200th Street at around 9:30 p.m., according to the Washington State Department of Transportation (WSDOT).

Initially, lanes were reduced, but by 11 p.m., WSDOT announced that all lanes were blocked and drivers had to exit at SR 516 (exit 149) toward Kent and Des Moines.

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All lanes of northbound I-5 remained blocked until around 4:30 a.m. Friday, approximately 7 hours after the crash.

It’s unclear how many vehicles were involved, but Washington State Patrol (WSP) said multiple vehicles were involved and at least one person was killed.

WSP did not say if there were any other injuries.

One person has been arrested for reckless driving, according to WSP.

The investigation is ongoing.