Semi hauling human waste overturns on eastbound I-90

A Semi-truck hauling human waste overturned on eastbound I-90 near Sammamish Sunday after the driver fell asleep, according to the Washington State Department of Transportation. Three lanes are now open as crews finish cleaning up the area with snowplows. At one point, the backup stretched four miles, WSDOT said. less A Semi-truck hauling human waste overturned on eastbound I-90 near Sammamish Sunday after the driver fell asleep, according to the Washington State Department of Transportation. Three lanes are now open as ... more Photo: KOMO News Photo: KOMO News Image 1 of / 1 Caption Close Semi hauling human waste overturns on eastbound I-90 1 / 1 Back to Gallery

A semi-truck hauling human waste overturned on eastbound Interstate 90 near Sammamish Sunday after the driver fell asleep, according to the Washington State Department of Transportation.

Three lanes are now open as crews finish cleaning up the area with snowplows. At one point, the backup stretched four miles, WSDOT said.

The driver was rescued from the vehicle and sustained minor injuries in the crash.

No other vehicles were involved.

Medical Aid, Fire Assistance, the Incident Response Team, and the State Patrol are on the scene.

This is a developing story and will be updated when more information becomes available.