Infrastructure

Tri-Cities road closures for weekend work

Sunday, August 9, 2026

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WSDOT announced multiple highway construction and closure updates for the Tri-Cities area effective this week. A single lane of SR 534 will close with alternating traffic from 7 p.m. Friday, Aug. 7 through 5 a.m. Saturday, Aug. 8 to complete paving between I-5 and SR 9.

SR 169 will close both directions for 35 days starting Aug. 17 near Jones Lake for fish barrier removal, with detours in place. Meanwhile, I-405 will be fully closed northbound from 11:30 p.m. Friday, Aug. 7 to 4 a.m. Monday, Aug. 10. Other closures include SR 96 for utility work and SR 20 for maintenance.

The closures affect daily commutes and travel routes through the Tri-Cities region. WSDOT advises drivers to allow extra time and follow detour signs. Most closures will end by Aug. 16, with the longest lasting until Sept. 21.

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

Source receipts11 of 19 claims supported · 58%

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WSDOT announced multiple highway construction and closure updates for the Tri-Cities areaNo usable supporting receipt — unverified.
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The updates are effective this weekNo usable supporting receipt — unverified.
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A single lane of SR 534 will close with alternating traffic“534: Construction crews will close a single lane of SR 534, with alternating traffic 7 p.m. Friday, Aug. 7 through 5 a.m. Saturday, Aug. 8 to complete paving between I-5 and SR 9.”
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The closure of SR 534 will start from 7 p.m. Friday, Aug. 7“534: Construction crews will close a single lane of SR 534, with alternating traffic 7 p.m. Friday, Aug. 7 through 5 a.m. Saturday, Aug. 8 to complete paving between I-5 and SR 9.”
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The closure of SR 534 will end at 5 a.m. Saturday, Aug. 8“534: Construction crews will close a single lane of SR 534, with alternating traffic 7 p.m. Friday, Aug. 7 through 5 a.m. Saturday, Aug. 8 to complete paving between I-5 and SR 9.”
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The closure of SR 534 is to complete paving between I-5 and SR 9“534: Construction crews will close a single lane of SR 534, with alternating traffic 7 p.m. Friday, Aug. 7 through 5 a.m. Saturday, Aug. 8 to complete paving between I-5 and SR 9.”
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SR 169 will close both directions for 35 days“Starting at 12:01 a.m. Monday, Aug. 17, both directions of SR 169 will close between Southeast 332nd Street and Plass Road near Jones Lake for 35 days for fish barrier removal.”
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The closure of SR 169 will start on Aug. 17“169: Starting at 12:01 a.m. Monday, Aug. 17, both directions of SR 169 will close between Southeast 332nd Street and Plass Road near Jones Lake for 35 days for fish barrier removal.”
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The closure of SR 169 will be near Jones Lake“169: Starting at 12:01 a.m. Monday, Aug. 17, both directions of SR 169 will close between Southeast 332nd Street and Plass Road near Jones Lake for 35 days for fish barrier removal.”
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The closure of SR 169 is for fish barrier removal“169: Starting at 12:01 a.m. Monday, Aug. 17, both directions of SR 169 will close between Southeast 332nd Street and Plass Road near Jones Lake for 35 days for fish barrier removal.”
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Detours will be in place for SR 169“Separate signed detours will guide people around the closure.”
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I-405 will be fully closed northbound from 11:30 p.m. Friday, Aug. 7“405: All lanes of northbound I-405 from North Southport Drive / Northeast Sunset Boulevard to Coal Creek Parkway Southeast will be fully closed day and night, 11:30 p.m. Friday, Aug. 7 to 4 a.m. Monday, Aug. 10. A signed detour will be in place.”
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The closure of I-405 will end at 4 a.m. Monday, Aug. 10“405: All lanes of northbound I-405 from North Southport Drive / Northeast Sunset Boulevard to Coal Creek Parkway Southeast will be fully closed day and night, 11:30 p.m. Friday, Aug. 7 to 4 a.m. Monday, Aug. 10. A signed detour will be in place. Effective: Aug 7, 2026, 12:00 AM Expected end: Aug 10, 2026, 4:00 AM”
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SR 96 will be closed for utility workNo usable supporting receipt — unverified.
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SR 20 will be closed for maintenanceNo usable supporting receipt — unverified.
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The closures affect daily commutes and travel routes through the Tri-Cities regionNo usable supporting receipt — unverified.
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WSDOT advises drivers to allow extra time and follow detour signsNo usable supporting receipt — unverified.
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Most closures will end by Aug. 16No usable supporting receipt — unverified.
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The longest closure will last until Sept. 21No usable supporting receipt — unverified.