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Infrastructure

I-405, SR 9, SR 20 work impacts Aberdeen commuters

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Starting Monday, Aug. 24, multiple I-405 lanes and SR 9 will close for construction, with some closures extending to late August. The most significant changes include three southbound I-405 lanes closing nightly from milepost 5 to SR 167 until Aug. 27, and a single-lane SR 9 stretch near Kalloch Road lasting until Sept. 14. SR 20 near Loup Loup Pass will have alternating traffic Mondays to Thursdays through Aug. 27.

WSDOT reports drivers should expect slowdowns, detours, and reduced speed limits. The HOV lane on southbound I-405 will close nightly until Aug. 28, and a northbound I-405 closure will begin Aug. 28 for three days. SR 9 traffic will alternate daily through Sept. 3 for fish passage construction. WSDOT encourages drivers to check for real-time updates before traveling.

πŸ“„ Source: WSDOT β€” Highway Construction & Closures β€” https://wsdot.wa.gov/travel/road-construction
Source receipts9 of 13 claims supported Β· 69%

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  • βœ“
    Starting Monday, Aug. 24, multiple I-405 lanes and SR 9 will close for constructionβ€œ405: Up to three lanes of southbound I-405 from milepost 5 to SR 167 (milepost 2) will be closed nightly, 10:30 p.m. Monday, Aug. 24 – 4:30 a.m. Thursday, Aug. 27. 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. 405: The HOV lane of southbound I-405 from SR 181 (milepost 1) to I-5 (milepost 0) will be closed nightly, 9:30 p.m. Monday, Aug. 24 – 5 a.m. Friday, Aug. 28. 009: SR 9 is reduced to a single lane near Kalloch Road (MP 59) with a signal alternating northbound and southbound traffic through a bypass road for 42 days, until Sept. 14 for fish passage construction.”
  • βœ“
    Some closures will extend to late Augustβ€œ405: Up to three lanes of southbound I-405 from milepost 5 to SR 167 (milepost 2) will be closed nightly, 10:30 p.m. Monday, Aug. 24 – 4:30 a.m. Thursday, Aug. 27.”
  • ⚠
    The most significant changes include three southbound I-405 lanes closing nightly from milepost 5 to SR 167No usable supporting receipt β€” unverified.
  • βœ“
    The three southbound I-405 lanes closure will last until Aug. 27β€œ405: Up to three lanes of southbound I-405 from milepost 5 to SR 167 (milepost 2) will be closed nightly, 10:30 p.m. Monday, Aug. 24 – 4:30 a.m. Thursday, Aug. 27.”
  • βœ“
    A single-lane SR 9 stretch near Kalloch Road will last until Sept. 14β€œ009: SR 9 is reduced to a single lane near Kalloch Road (MP 59) with a signal alternating northbound and southbound traffic through a bypass road for 42 days, until Sept. 14 for fish passage construction.”
  • βœ“
    SR 20 near Loup Loup Pass will have alternating traffic Mondays to Thursdays through Aug. 27β€œ020: Travelers on SR 20 near Loup Loup Pass will encounter slowdowns and delays while contractor crews perform pavement repairs and paving throughout the pass Mondays to Thursdays from 6 a.m. to 8 p.m. until Aug. 27. Expect alternating, one-lane, two-way traffic, automatic flaggers, temporary rumble strips and reduced speed limits.”
  • βœ“
    WSDOT reports drivers should expect slowdownsβ€œTravelers on SR 20 near Loup Loup Pass will encounter slowdowns and delays while contractor crews perform pavement repairs and paving throughout the pass Mondays to Thursdays from 6 a.m. to 8 p.m. until Aug. 27. Expect alternating, one-lane, two-way traffic, automatic flaggers, temporary rumble strips and reduced speed limits.”
  • ⚠
    WSDOT reports drivers should expect detoursNo usable supporting receipt β€” unverified.
  • βœ“
    WSDOT reports drivers should expect reduced speed limitsβ€œ020: Travelers on SR 20 near Loup Loup Pass will encounter slowdowns and delays while contractor crews perform pavement repairs and paving throughout the pass Mondays to Thursdays from 6 a.m. to 8 p.m. until Aug. 27. Expect alternating, one-lane, two-way traffic, automatic flaggers, temporary rumble strips and reduced speed limits.”
  • βœ“
    The HOV lane on southbound I-405 will close nightly until Aug. 28β€œ405: The HOV lane of southbound I-405 from SR 181 (milepost 1) to I-5 (milepost 0) will be closed nightly, 9:30 p.m. Monday, Aug. 24 – 5 a.m. Friday, Aug. 28.”
  • ⚠
    A northbound I-405 closure will begin Aug. 28 for three daysNo usable supporting receipt β€” unverified.
  • βœ“
    SR 9 traffic will alternate daily through Sept. 3 for fish passage constructionβ€œ009: Northbound and southbound traffic will alternate from 10 a.m. to 4 p.m. daily Mondays through Thursday through Thursday, Sept. 3, just south of Mount Vernon Big Lake Road (milepost 49) for fish passage construction.”
  • ⚠
    WSDOT encourages drivers to check for real-time updates before travelingNo usable supporting receipt β€” unverified.

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