A semi has overturned on state Route 509 in Tacoma, blocking northbound lanes, according to the state Department of Transportation.
The truck overturned near Interstate 705 about 9:30 a.m.
It was not immediately clear if anyone was injured.
WSDOT said "heavy lifting ahead" before the scene can be cleared and advised drivers to avoid the area.
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There is no access to northbound SR 509 from northbound I-705.