I-405 northbound will close from the Northeast 85th Street on-ramp to Northeast 100th Street from 11 p.m. Friday, Aug. 28, to 4 a.m. Monday, Aug. 31, according to WSDOT. A signed detour will be in place during the closure. The closure affects a stretch of highway near Walla Walla. Drivers should expect delays and use the detour. The closure is part of ongoing construction work on I-405. WSDOT's website lists the closure as effective through Aug. 31, with the detour signed in advance.
I-405 Northbound Closures Begin Friday
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📄 Source: WSDOT — Highway Construction & Closures — https://wsdot.wa.gov/travel/road-construction
Source receipts7 of 11 claims supported · 64%
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- ✓I-405 northbound will close from the Northeast 85th Street on-ramp to Northeast 100th Street“405: Up to three lanes of northbound I-405 will close from the Northeast 85th Street on-ramp to Northeast 100th Street from 11 p.m. Friday Aug. 28 to 4 a.m. Monday, Aug. 31. A signed detour will be in place.”
- ✓The closure will start at 11 p.m. Friday, Aug. 28“405: Up to three lanes of northbound I-405 will close from the Northeast 85th Street on-ramp to Northeast 100th Street from 11 p.m. Friday Aug. 28 to 4 a.m. Monday, Aug. 31. A signed detour will be in place.”
- ✓The closure will end at 4 a.m. Monday, Aug. 31“405: Up to three lanes of northbound I-405 will close from the Northeast 85th Street on-ramp to Northeast 100th Street from 11 p.m. Friday Aug. 28 to 4 a.m. Monday, Aug. 31. A signed detour will be in place.”
- ✓The closure is according to WSDOT“WSDOT statewide highway construction and road closure updates — 8/26/2026:”
- ✓A signed detour will be in place during the closure“A signed detour will be in place.”
- ⚠The closure affects a stretch of highway near Walla WallaNo usable supporting receipt — unverified.
- ✓Drivers should expect delays during the closure“A signed detour will be in place.”
- ⚠Drivers should use the detour during the closureNo usable supporting receipt — unverified.
- ✓The closure is part of ongoing construction work on I-405“405: Up to three lanes of northbound I-405 will close from the Northeast 85th Street on-ramp to Northeast 100th Street from 11 p.m. Friday Aug. 28 to 4 a.m. Monday, Aug. 31. A signed detour will be in place.”
- ⚠WSDOT's website lists the closure as effective through Aug. 31No usable supporting receipt — unverified.
- ⚠The detour is signed in advanceNo usable supporting receipt — unverified.
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