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WSDOT contractor crews place new concrete barrier in the median of SR 509 in Burien.
Contractor crews working for WSDOT work to improve drainage in the median of SR 509 in Burien.
Work to improve drainage in the median of SR 509 will continue through the month of June.
The pavement on northbound SR 509 in Burien is cracked and in need of repair. Contractor crews will grind the top layer and repave the road with asphalt.
Four pedestrian curb ramps on northbound SR 509 at South 128th Street will be upgraded to meet ADA standards.
Approximately 3 miles of old guardrail in the median of SR 509 will be replaced with concrete barrier.