Published on September 14, 2026
The Washington State Department of Transportation (WSDOT) will close northbound Interstate 405 from North Southport Drive/Sunset Boulevard NE (Exit 5) to Coal Creek Parkway SE (Exit 10) from 11:30 p.m. Friday, September 18, to 4 a.m. Monday, September 21.
During the closure, crews will work on drainage, paving and a traffic switch as part of the I-405/Renton to Bellevue Widening and Express Toll Lanes Project. Detour signs will be in place.
Find news from WSDOT at wsdot.wa.gov/about/news.
Craig Smiley, I-405/SR 167 Program Communications - 425-417-9658
24-Hour Construction Hotline - 425-818-0161
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