Infrastructure

Okanogan–Omak highway construction updates for Aug. 28–29

Friday, August 28, 2026

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Okanogan–Omak area travelers will face multiple road closures and lane reductions starting Aug. 28. WSDOT announced northbound I-405 will close from Northeast 70th Place to Northeast 85th Street from 11 p.m. Friday, Aug. 28, to 4 a.m. Monday, Aug. 31, with a signed detour in place. A separate northbound I-405 closure from Northeast 85th Street to Northeast 100th Street will also occur from 11 p.m. Friday, Aug. 28, to 4 a.m. Monday, Aug. 31.

SR 20 near Loup Loup Pass will have slowdowns and alternating one-lane traffic Mondays to Thursdays until Aug. 27. SR 9 near Kalloch Road will have single-lane traffic for 42 days until Sept. 14 for fish passage construction. SR 599 will have a northbound lane closure from 9 p.m. Friday, Aug. 28, to 5 a.m. Saturday, Aug. 29.

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

Checked against the public record7 of 9 claims · 78%

Every factual claim below was checked against the original public record. Source: original document ↗

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Okanogan–Omak area travelers will face multiple road closures and lane reductions starting Aug. 28“null”
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WSDOT announced northbound I-405 will close from Northeast 70th Place to Northeast 85th Street“405: All lanes of northbound I-405 will close from Northeast 70th Place to Northeast 85th Street from 11 p.m. Friday Aug. 28 to 4 a.m. Monday, Aug. 31. A signed detour will be in place.”
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The closure of northbound I-405 from Northeast 70th Place to Northeast 85th Street will occur from 11 p.m. Friday, Aug. 28, to 4 a.m. Monday, Aug. 31“405: All lanes of northbound I-405 will close from Northeast 70th Place to Northeast 85th Street from 11 p.m. Friday Aug. 28 to 4 a.m. Monday, Aug. 31. A signed detour will be in place.”
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A signed detour will be in place during the closure of northbound I-405 from Northeast 70th Place to Northeast 85th Street“A signed detour will be in place.”
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A separate northbound I-405 closure from Northeast 85th Street to Northeast 100th Street will also occur“null”
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The closure of northbound I-405 from Northeast 85th Street to Northeast 100th Street will occur from 11 p.m. Friday, Aug. 28, to 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.”
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SR 20 near Loup Loup Pass will have slowdowns and alternating one-lane traffic Mondays to Thursdays until Aug. 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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SR 9 near Kalloch Road will have single-lane traffic for 42 days until Sept. 14“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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SR 599 will have a northbound lane closure from 9 p.m. Friday, Aug. 28, to 5 a.m. Saturday, Aug. 29“599: From 9 p.m. Friday, Aug. 28 to 5 a.m. Saturday, Aug. 29, the right lane of northbound State Route 599 and the off-ramp to Tukwila International Boulevard (milepost 1) will close for maintenance.”