A diesel spill blocked all lanes of northbound Interstate 405 at Coal Creek Parkway on Sunday morning, the Washington State Department of Transportation announced.
WSDOT first tweeted about the incident at 3:40 a.m. Around 6:30 a.m., a Washington State Patrol trooper confirmed that the incident was a diesel spill.
At 7:19 a.m., WSDOT said crews were at the scene but cleanup of the incident was “expected to take a while.”
At 1:13 p.m., WSP said that the right two lanes had reopened, but the left two would remain closed for several more hours.