WSDOT: SR 20, I-405, SR 9 closures through Aug. 28

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  WSDOT announced several highway construction and closure updates effective through August 28, 2026No usable supporting receipt — unverified.
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  SR 20 near Loup Loup Pass will have one-lane, two-way traffic Mondays through Thursdays until 8 p.m. on August 27“020: 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.”
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  I-405 will have nightly HOV lane closures from 9:30 p.m. Monday to 5 a.m. Friday, August 24-28“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.”
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  SR 9 near Kalloch Road will have alternating traffic through September 14 for fish passage construction“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.”
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  The closures affect commuters on major routesNo usable supporting receipt — unverified.
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  SR 9 requires a bypass road for 42 days“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.”
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  WSDOT advises travelers to expect delays during the construction periods“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.”
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  WSDOT advises travelers to expect reduced speed limits during the construction periods“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.”