DRIVER ALERT: Full overnight closures of I-5 in south Seattle set for this weekend

SEATTLE – Late-night drivers should prepare for overnight closures of both northbound and southbound Interstate 5 between South Boeing Access Road and State Route 599 in south Seattle from Friday night to Monday.

In addition, the Washington State Department of Transportation said, both directions of Martin Luther King Jr. Way South/State Route 900 and the Interurban Avenue South on-ramp to northbound I-5 will also be closed.

During the closures, Seattle City Light will install new power lines over I-5, WSDOT said.

Drivers should plan for signed detours to get around the closures and give themselves extra time to reach their destinations, WSDOT said.

Closure details:

 Friday, Sept. 19 to the morning of Sunday, Sept. 21


     I-5 Detour details:

     Northbound I-5 – All northbound I-5 traffic will be diverted to northbound SR 599, exit to Pacific Highway South, then continue onto South Boeing Access Road back to northbound I-5.


      In the Puget Sound area, drivers can get real-time traffic information on their phone with the WSDOT traffic app, tracking the WSDOT traffic Twitter feed, and get advanced information from the What’s Happening Now page.