Infrastructure

Multiple WSDOT Road Closures Planned for Week of Aug. 3

Monday, August 3, 2026

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WSDOT announced multiple road closures for Centralia–Chehalis area highways beginning Aug. 3. The right lane of northbound SR 522 will close Aug. 5–6, while two lanes of I-90 will close Aug. 4–5. US 2 will alternate traffic nightly Aug. 3–7. I-405 will be fully closed Aug. 3–4 and Aug. 7–10.

These closures affect major routes for commuters and freight. The I-405 northbound closure from Aug. 7–10 will require a detour. SR 20 will have flagger-controlled traffic Aug. 4–5. All closures are for maintenance and utility work by WSDOT or Ziply.

WSDOT advises drivers to allow extra travel time. The agency states that detours will be signed during closures. All dates and times are as listed in the WSDOT updates, with no changes noted.

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

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WSDOT announced multiple road closures for Centralia–Chehalis area highways beginning Aug. 3No usable supporting receipt — unverified.
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The right lane of northbound SR 522 will close Aug. 5–6“522: From 8 p.m. Wednesday, Aug. 5 to 3 a.m. Thursday, Aug. 6, the right lane of northbound State Route 522 from State Route 202/132nd Avenue to the State Route 9 overpass (milepost 12-13) will close for maintenance.”
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Two lanes of I-90 will close Aug. 4–5“090: From 8 p.m. Tuesday, Aug. 4 to 3 a.m. Wednesday, Aug. 5, two lanes of Interstate 90 will close in both directions between Eighth Avenue South (milepost 2) and the floating bridge (milepost 4) for maintenance.”
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US 2 will alternate traffic nightly Aug. 3–7“002: Nightly from 9 p.m. to 5 a.m. the next morning beginning Monday, Aug. 3 to 5 a.m. Friday, Aug. 7, US 2 traffic will alternate with flaggers from Money Creek Campground (milepost 46) to Skykomish east city limits (milepost 49) for utilities work.”
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I-405 will be fully closed Aug. 3–4 and Aug. 7–10“405: All lanes of southbound I-405 from Southeast Eighth Street to I-90 will be fully closed overnight, 11:30 p.m. Monday, Aug. 3 – 4:30 a.m. Tuesday, Aug. 4. A signed detour will be in place.”
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These closures affect major routes for commuters and freightNo usable supporting receipt — unverified.
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The I-405 northbound closure from Aug. 7–10 will require a detour“405: All lanes of northbound I-405 from North Southport Drive / Northeast Sunset Boulevard to Coal Creek Parkway Southeast will be fully closed day and night, 11:30 p.m. Friday, Aug. 7 – 4 a.m. Monday, Aug. 10. A signed detour will be in place.”
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SR 20 will have flagger-controlled traffic Aug. 4–5“020: From 9 p.m. Tuesday, Aug. 4 to 5 a.m. Wednesday, Aug. 5, State Route 20 traffic will alternate with flaggers between Peter Anderson Road and Gunderson Lane (milepost 61) for Ziply utilities work.”
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All closures are for maintenance and utility work by WSDOT or ZiplyNo usable supporting receipt — unverified.
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WSDOT advises drivers to allow extra travel timeNo usable supporting receipt — unverified.
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The agency states that detours will be signed during closures“A signed detour will be in place.”
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All dates and times are as listed in the WSDOT updatesNo usable supporting receipt — unverified.
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No changes noted to the dates and timesNo usable supporting receipt — unverified.