Tri-Cities Road Closures for Maintenance, Repairs, Wildfire

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  Multiple road closures and lane restrictions are in effect across the Tri-Cities area this week for maintenance, repairs, and a wildfire-related closureNo usable supporting receipt — unverified.
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  The right lane of northbound SR 522 will close from 8 p.m. Wednesday, Aug. 5 to 3 a.m. Thursday, Aug. 6“522: From 8 p.m. Wednesday, Aug. 5 to 3 a.m. Thursday, Aug. 6, the right lane of northbound State Route 522 from State Route 202/132nd Avenue to the State Route 9 overpass (milepost 12-13) will close for maintenance.”
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  SR 203 will have alternating traffic with flaggers from 7 p.m. to 6 a.m. Sunday nights through Friday mornings until Aug. 28“203: From 7 p.m. to 6 a.m. Sunday nights through Friday mornings crews will alternate traffic with flaggers and pilot cars in sections between a nearly 11-mile stretch of SR 203, just south of Duvall to the Monroe city limits (mileposts 12.53 to 23.20). Effective: Aug 3, 2026, 12:19 PM Expected end: Aug 28, 2026, 6:00 AM”
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  SR 526 will have a right lane closure from 9 p.m. Thursday, Aug. 6 to 5 a.m. Friday, Aug. 7“526: From 9 p.m. Thursday, Aug. 6 to 5 a.m. Friday, Aug. 7, the right lane of eastbound State Route 526 from Evergreen Way to Casino Road (milepost 3) will close for utilities work.”
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  US 101 will have one-lane traffic between mileposts 1. 0 and 2. 5 from 8 a.m. to 4 p.m. daily through Aug. 5 for pavement repair“101: Monday, Aug. 3 to Wednesday, Aug. 5: Travelers in both directions of US 101 between milepost 1.0 and Fort Columbia Tunnel (milepost 2.5) will take turns moving through one open lane at a time daily, from 8 a.m. to 4 p.m., for pavement repair work.”
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  SR 161 will close all lanes from 10 p.m. Friday, Aug. 7 to 5 a.m. Monday, Aug. 17 for culvert installation“161: From 10 p.m. Friday, Aug. 7, to 5 a.m. Monday, Aug. 17, all lanes of SR 161 will close between 28th Avenue South and Military Road South for installation of two fish-passable culverts.”
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  I-405 will have nightly lane closures on both northbound sections from Aug. 3 to Aug. 7“405: Up to three lanes of northbound I-405 from Coal Creek Parkway Southeast (milepost 10.5) to Northeast Sixth Street (milepost 13.8) will be closed nightly, 9 p.m. Monday, Aug. 3 – 5 a.m. Friday, Aug. 7.”
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  SR 155 remains closed due to a wildfire from milepost 46 to milepost 78 with no estimated reopening time“SR 155 is closed from milepost 46, two miles north of Nespelem to milepost 78, one mile east of Omak, due to a wildfire. An estimated reopening time is not determined.”
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  WSDOT advises travelers to plan ahead for delays of up to 20 minutes on US 101“Flaggers will direct travelers through the area. Plan ahead and expect delays of up to 20 minutes.”
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  WSDOT advises travelers to follow detour signs for SR 161No usable supporting receipt — unverified.
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  All closures are listed with specific dates and times in the WSDOT roadwork updateNo usable supporting receipt — unverified.