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Seattle Fire Department crews respond to a butane truck rollover on Interstate 5 in downtown Seattle Monday morning. The incident blocked all lanes of traffic on I-5 and Interstate 90.

Seattle Fire Department crews respond to a butane truck rollover on Interstate 5 in downtown Seattle Monday morning. The incident blocked all lanes of traffic on I-5 and Interstate 90.

A rollover collision shut down traffic on both Interstate 5 and Interstate 90 Monday morning.

A rollover collision shut down traffic on both Interstate 5 and Interstate 90 Monday morning.

A rollover crash shut down traffic in both Interstate 5 and Interstate 90 in downtown Seattle Monday morning, February 27, 2017.

A rollover crash shut down traffic in both Interstate 5 and Interstate 90 in downtown Seattle Monday morning, February 27, 2017.

A rollover crash shut down traffic in both Interstate 5 and Interstate 90 in downtown Seattle Monday morning, February 27, 2017.

A rollover crash shut down traffic in both Interstate 5 and Interstate 90 in downtown Seattle Monday morning, February 27, 2017.

A rollover crash shut down traffic in both Interstate 5 and Interstate 90 in downtown Seattle Monday morning.

It was just one of several traffic events that plagued Seattle freeways, Snoqualmie Pass travel and ferry passage Monday morning.

Crews shut down both directions of I-5, with traffic shut off northbound approaching the Spokane Street exit and southbound closed near the James Street off-ramp, according to WSDOT. The agency reported about 3-mile backups in both directions on I-5 as of about noon.

The incident occurred in the southbound collector-distributor lanes of I-5, according to the state Department of Transportation. A tanker truck hauling butane rolled over beneath the westbound ramp to I-90, reports say. The Seattle Fire Department says the driver suffered minor injuries and three patients were taken to a hospital with non-life-threatening injuries.

UPDATE: The SB I-5 express lanes are also closed. ALL DRIVERS can use the Cherry/Columbia St HOV off-ramps to exit. #SeattleTanker pic.twitter.com/Z3aQrLpaRf

Express lanes are also shut off.

The crash also shut down westbound I-90 lanes at Rainier Avenue, the agency reported. Eastbound traffic is closed at the stadiums.

Since then, westbound I-90 was reopened to traffic, but WSDOT advises people traveling from I-5 to still find alternate routes to avoid lengthy delays.

WSDOT says the Seattle Fire Department asked authorities to shut down the roads for the response. Hazmat crews are investigating the scene.

The State Patrol asks drivers to avoid the area.

WSDOT says this is a “long-term situation with no known reopening time.” The fire department reports the closure will persist for at least a couple hours.

Westbound I-90 is also closed at the summit near mile post 52 for an overturned logging truck. Eastbound lanes are closed in North Bend for snow clearance.

Additionally, all trips in and out of the Fauntleroy ferry terminal are canceled until further notice due to a mechanical issue with the transfer span connecting the boat to land, according to WSDOT.

Seattlepi.com reporter Daniel DeMay contributed to this report.

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