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Infrastructure

WSDOT Updates Road Closures for Walla Walla Area

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WSDOT announced multiple road closures and alternating traffic patterns affecting Walla Walla area highways starting August 11, 2026.

State Route 202 will have alternating traffic from 156th Ave NE to NE 124th St beginning August 11 at 9:41 AM. State Route 4 will alternate traffic between Satterland Road and KM Mountain from 7 a.m. to 4 p.m. on August 11 and 12. Interstate 405 will have southbound lane closures nightly from August 10 to 12 and northbound closures from August 10 to 14. Interstate 5 will close two lanes on August 11-12 near 172nd Street.

Drivers should expect delays on these routes and plan accordingly. WSDOT states all closures are for maintenance work and will end at the specified times.

πŸ“„ Source: WSDOT β€” Highway Construction & Closures β€” https://wsdot.wa.gov/travel/road-construction
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  • ⚠
    WSDOT announced multiple road closures and alternating traffic patterns affecting Walla Walla area highwaysNo usable supporting receipt β€” unverified.
  • ⚠
    The road closures and alternating traffic patterns will start on August 11, 2026No usable supporting receipt β€” unverified.
  • βœ“
    State Route 202 will have alternating traffic from 156th Ave NE to NE 124th Stβ€œ202: Eastbound & westbound traffic is alternating on SR 202 from 156th Ave NE (MP 4) to NE 124th St (MP 4) due to maintenance.”
  • βœ“
    State Route 202 will have alternating traffic beginning on August 11β€œ202: Eastbound & westbound traffic is alternating on SR 202 from 156th Ave NE (MP 4) to NE 124th St (MP 4) due to maintenance. Effective: Aug 11, 2026, 9:41 AM”
  • βœ“
    State Route 202 will have alternating traffic at 9:41 AMβ€œ202: Eastbound & westbound traffic is alternating on SR 202 from 156th Ave NE (MP 4) to NE 124th St (MP 4) due to maintenance. Effective: Aug 11, 2026, 9:41 AM”
  • βœ“
    State Route 4 will alternate traffic between Satterland Road and KM Mountainβ€œ004: Tuesday, Aug. 11 and Wednesday, Aug. 12: Travelers in both directions of SR 4 between Satterland Road (milepost 19.4) and KM Mountain (milepost 22.2) will take turns moving through one open lane at a time daily from 7 a.m. to 4 p.m., for pavement repair work.”
  • βœ“
    State Route 4 will alternate traffic from 7 a.m. to 4 p.m.β€œ004: Tuesday, Aug. 11 and Wednesday, Aug. 12: Travelers in both directions of SR 4 between Satterland Road (milepost 19.4) and KM Mountain (milepost 22.2) will take turns moving through one open lane at a time daily from 7 a.m. to 4 p.m., for pavement repair work.”
  • βœ“
    State Route 4 will alternate traffic on August 11β€œ004: Tuesday, Aug. 11 and Wednesday, Aug. 12: Travelers in both directions of SR 4 between Satterland Road (milepost 19.4) and KM Mountain (milepost 22.2) will take turns moving through one open lane at a time daily from 7 a.m. to 4 p.m., for pavement repair work.”
  • βœ“
    State Route 4 will alternate traffic on August 12β€œ004: Tuesday, Aug. 11 and Wednesday, Aug. 12: Travelers in both directions of SR 4 between Satterland Road (milepost 19.4) and KM Mountain (milepost 22.2) will take turns moving through one open lane at a time daily from 7 a.m. to 4 p.m., for pavement repair work.”
  • βœ“
    Interstate 405 will have southbound lane closures nightlyβ€œ405: Up to two lanes of southbound I-405 from Lake Washington Boulevard Southeast (milepost 9) to milepost 6 will be closed nightly, 9:30 p.m. Monday, Aug. 10 to 5 a.m. Wednesday, Aug. 12.”
  • βœ“
    Interstate 405 will have southbound lane closures from August 10 to 12β€œ405: Up to two lanes of southbound I-405 from Lake Washington Boulevard Southeast (milepost 9) to milepost 6 will be closed nightly, 9:30 p.m. Monday, Aug. 10 to 5 a.m. Wednesday, Aug. 12.”
  • βœ“
    Interstate 405 will have northbound lane closures from August 10 to 14β€œ405: Monday, August 10 to the morning of Friday, August 14: Up to two lanes of northbound I-405 between milepost 17.45 and milepost 18.12 will be closed, nightly from 11:30 p.m. - 4:30 a.m.”
  • βœ“
    Interstate 5 will close two lanes near 172nd Streetβ€œ005: From 8 p.m. Tuesday, Aug. 11 to 3 a.m. Wednesday, Aug. 12 two lanes of both directions of Interstate 5 from 172nd Street/State Route 531 to Portage Creek Bridge (milepost 207) will close for maintenance.”
  • ⚠
    Interstate 5 will close two lanes on August 11No usable supporting receipt β€” unverified.
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    Interstate 5 will close two lanes on August 12No usable supporting receipt β€” unverified.
  • ⚠
    Drivers should expect delays on these routesNo usable supporting receipt β€” unverified.
  • βœ“
    WSDOT states all closures are for maintenance workβ€œ202: Eastbound & westbound traffic is alternating on SR 202 from 156th Ave NE (MP 4) to NE 124th St (MP 4) due to maintenance.”
  • ⚠
    All closures will end at the specified timesNo usable supporting receipt β€” unverified.

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