Infrastructure

I-405 Express Toll Lanes Closed for Repairs

Wednesday, August 12, 2026

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Two northbound I-405 Express Toll Lanes (ETLs) will close nightly from 8:30 p.m. to 5 a.m. between mileposts 17.45 and 18.12 from Monday, Aug. 10, through Friday, Aug. 14, per WSDOT.

The closure affects commuters between mileposts 17.45 and 18.12. WSDOT states the maintenance work will be completed by 5 a.m. on Aug. 14, with no alternative routes or traffic delay estimates provided. Drivers should plan for potential delays during the affected hours.

WSDOT will provide updates via its website and electronic message boards.

📄 Source: WSDOT — Highway Construction & Closures — https://wsdot.wa.gov/travel/road-construction

Source receipts5 of 10 claims supported · 50%

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Two northbound I-405 Express Toll Lanes (ETLs) will close nightly“405: Monday, August 10 to the morning of Friday, August 14: Two Express Toll Lanes (ETL’s) of northbound I-405 between milepost 17.45 and milepost 18.12 will be closed, nightly from 8:30 p.m. - 5 a.m.”
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The closure will start from 8:30 p.m.No usable supporting receipt — unverified.
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The closure will end at 5 a.m.No usable supporting receipt — unverified.
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The closure will occur between mileposts 17.45 and 18.12“405: Monday, August 10 to the morning of Friday, August 14: Two Express Toll Lanes (ETL’s) of northbound I-405 between milepost 17.45 and milepost 18.12 will be closed, nightly from 8:30 p.m. - 5 a.m.”
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The closure will begin on Monday, Aug. 10“405: Monday, August 10 to the morning of Friday, August 14: Two Express Toll Lanes (ETL’s) of northbound I-405 between milepost 17.45 and milepost 18.12 will be closed, nightly from 8:30 p.m. - 5 a.m.”
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The closure will end on Friday, Aug. 14No usable supporting receipt — unverified.
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The closure affects commuters between mileposts 17.45 and 18.12“405: Monday, August 10 to the morning of Friday, August 14: Two Express Toll Lanes (ETL’s) of northbound I-405 between milepost 17.45 and milepost 18.12 will be closed, nightly from 8:30 p.m. - 5 a.m.”
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WSDOT states the maintenance work will be completed by 5 a.m. on Aug. 14“Expected end: Aug 14, 2026, 5:00 AM”
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WSDOT will provide updates via its websiteNo usable supporting receipt — unverified.
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WSDOT will provide updates via electronic message boardsNo usable supporting receipt — unverified.