High bacteria levels have been detected in the water that may cause illness. For your safety, do not enter the water at Gene Coulon Memorial Beach Park until advised that the water quality levels have improved.
Published on May 13, 2026
The Washington State Department of Transportation (WSDOT) will close northbound I-405 between N. Southport Drive/SR 900 (Exit 5) and Coal Creek Parkway (Exit 10) from 11:30 p.m. to 4 a.m. nightly, from Wednesday, May 13, to the morning of Friday, May 15.
Crews working for WSDOT will install sign structures as part of the I-405/Renton to Bellevue Widening and Express Toll Lanes Project.
Learn about other upcoming impacts across Puget Sound on the WSDOT website: https://wsdot.wa.gov/about/news/2026/major-construction-impacts-continue-across-puget-sound-during-may-15-18-weekend.
Find other traffic impacts in Renton at rentonwa.gov/trafficmap.
Craig Smiley, I-405/SR 167 Program Communications 425-417-9658
24-Hour Construction Hotline425-818-0161
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