Infrastructure

I-405 and SR 522 closures begin nightly through Aug. 21

Wednesday, August 19, 2026

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Multiple Everett-area highways face nightly lane closures starting Tuesday, August 18, through Friday, August 21, according to WSDOT. The left express toll lane of northbound I-405 will close nightly from 8:30 p.m. Monday, August 17, to 5 a.m. Friday, August 21. Eastbound SR 522 will have one lane closed nightly from 8 p.m. Tuesday, August 18, to 4:30 a.m. Friday, August 21. Southbound I-405 will have up to three lanes closed nightly from 10:30 p.m. Monday, August 17, to 5:30 a.m. Wednesday, August 19. Travelers should expect delays and follow signed detours. WSDOT advises slowing down and staying focused during these closures.

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

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Multiple Everett-area highways face nightly lane closures starting Tuesday, August 18No usable supporting receipt — unverified.
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Multiple Everett-area highways face nightly lane closures through Friday, August 21No usable supporting receipt — unverified.
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The left express toll lane of northbound I-405 will close nightly from 8:30 p.m. Monday, August 17“405: The left express toll lane of northbound I-405 between Northeast 160th Street (milepost 22.61) and SR 527 (milepost 27.1) will be closed nightly from 8:30 p.m. Monday, August 17 to 5 a.m. Friday, August 21.”
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The left express toll lane of northbound I-405 will close nightly to 5 a.m. Friday, August 21“405: The left express toll lane of northbound I-405 between Northeast 160th Street (milepost 22.61) and SR 527 (milepost 27.1) will be closed nightly from 8:30 p.m. Monday, August 17 to 5 a.m. Friday, August 21.”
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Eastbound SR 522 will have one lane closed nightly from 8 p.m. Tuesday, August 18“405: One general-purpose lane of eastbound SR 522 from Campus Way Northeast (milepost 10.4) to 131st Avenue Northeast (milepost 11.4) will be closed nightly from 8 p.m. Tuesday, August 18 to 4:30 a.m. Friday, August 21.”
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Eastbound SR 522 will have one lane closed nightly to 4:30 a.m. Friday, August 21“405: One general-purpose lane of eastbound SR 522 from Campus Way Northeast (milepost 10.4) to 131st Avenue Northeast (milepost 11.4) will be closed nightly from 8 p.m. Tuesday, August 18 to 4:30 a.m. Friday, August 21.”
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Southbound I-405 will have up to three lanes closed nightly from 10:30 p.m. Monday, August 17“405: Up to three lanes of southbound I-405 from Coal Creek Parkway Southeast (milepost 9.5) to milepost 7 will be closed nightly, 10:30 p.m. Monday, Aug. 17 – 5:30 a.m. Wednesday, Aug. 19.”
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Southbound I-405 will have up to three lanes closed nightly to 5:30 a.m. Wednesday, August 19“405: Up to three lanes of southbound I-405 from Coal Creek Parkway Southeast (milepost 9.5) to milepost 7 will be closed nightly, 10:30 p.m. Monday, Aug. 17 – 5:30 a.m. Wednesday, Aug. 19.”
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Travelers should expect delays and follow signed detours“Travelers who need to cross the freeway will follow a signed detour. Flaggers will direct travelers to a signed detour using northbound I-5 to Exit 71 for SR 508, then southbound back to US 12. Slow down, stay focused and expect delays.”