All southbound lanes of SR 509 were blocked Tuesday morning, Jan. 13, 2026 after a collision near South 160th Street in Burien, according to the Washington State Department of Transportation (WSDOT).
WSDOT said the crash occurred in the southbound lanes near milepost 25, and traffic was being diverted to South 160th Street as of 10:39 a.m.
Incident response crews and the Washington State Patrol were on scene.
Lanes were reopened around 11 a.m., and no information about the cause of the crash or injuries was released.
CLEARED: All lanes of SB SR 509 near 160th St (MP 25) in Burien have reopened. https://t.co/cwLjpAXPcZ
— WSDOT Traffic (@wsdot_traffic) January 13, 2026
