A rolled semi on I-405 snarled traffic in the Seattle area on Wednesday. At one point, travel time from Federal Way to Bellevue — a distance of 24 miles — was 144 minutes.

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Update 9:57 a.m.: Interstate 405 has reopened after crews finished clearing debris from the earlier rollover. The offramps to Northeast Fourth and Eighth streets in Bellevue remain closed. Traffic is congested throughout the region.

Update 9:04 a.m.: WSDOT reports the semi has been removed, but crews are working to clear debris from the roadway. Traffic remains backed up.

Update 7:30 a.m.: A tow truck is on the scene to clear the semi, WSDOT says. There was no estimate when lanes would reopen.

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Wednesday’s commute is off to a nasty start after a semi rolled over in the northbound lanes of Interstate 405 in Bellevue.

The truck was blocking all lanes, but the Washington State Department of Transportation (WSDOT) reports traffic was squeezing by slowly in the left two lanes.

Traffic was backed up 6 miles from the accident scene at I-405 and the exits to Northeast Fourth and Eighth streets. Travel time from Federal Way to Bellevue — a distance of less than 24 miles — was reported at 144 minutes.

Firefighters, medical aid, the State Patrol and a WSDOT incident-response team were on the scene.

That’s not the only problem on the rainy roads. WSDOT reported a collision blocked two lanes in the southbound lanes of Highway 99 at Seneca Street in Seattle. And an accident blocked the southbound offramp to Highway 99 at Tukwila International Boulevard.