Infrastructure

I-5, I-405, SR 527 closures continue

Thursday, July 30, 2026

2 min read

🤖 By Aiden

Multiple Washington State Department of Transportation (WSDOT) projects are causing lane closures across the Tri-Cities area this week.

I-5 northbound will have its right shoulder closed from milepost 9.3 to 11.3 near 179th Street and the North Bound Gee Creek Rest Area starting July 29 at 7:31 a.m. I-405 will see up to two lanes closed southbound nightly from 11 p.m. to 4 a.m. through July 31. SR 527's center lane will be closed nightly from 9 p.m. on July 27 to midnight on July 30.

SR 203 will have one lane closed for paving from 7 p.m. Sunday to 6 a.m. Friday through July 31. State Route 96 will alternate traffic daily from 7 a.m. to 2 p.m. through July 31. Two sections of SR 9 will also see alternating traffic starting July 29.

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

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Multiple Washington State Department of Transportation (WSDOT) projects are causing lane closures across the Tri-Cities area this week.No usable supporting receipt — unverified.
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I-5 northbound will have its right shoulder closed from milepost 9.3 to 11.3 near 179th Street and the North Bound Gee Creek Rest Area starting July 29 at 7:31 a.m.“005: Maintenance on I-5 northbound from milepost 9.3 near 179th Street to milepost 11.3 near North Bound Gee Creek Rest Area will have the right shoulder closed, use caution beginning at 7:31 am on July 29, 2026 until further notice.”
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I-405 will see up to two lanes closed southbound nightly from 11 p.m. to 4 a.m. through July 31.“405: Monday, July 27 to the morning of Friday, July 31: Up to two lanes of southbound I-405 between milepost 18.11 and milepost 16.45 will be closed, nightly from 11 p.m. – 4 a.m.”
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SR 527's center lane will be closed nightly from 9 p.m. on July 27 to midnight on July 30.“527: The center lane of southbound SR 527 from 214th Street Southeast to the southbound I-405 off-ramp will be closed nightly from 9 p.m. Monday, July 27 to 12 a.m. Thursday, July 30.”
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SR 203 will have one lane closed for paving from 7 p.m. Sunday to 6 a.m. Friday through July 31.“203: From 7 p.m. to 6 a.m. Sunday nights through Friday mornings beginning Monday, July 27, one lane of State Route 203 will be closed for a paving project between just south of Duvall to the Monroe city limits (mileposts 12.53 to 23.20). Flaggers and pilot cars will direct alternating traffic through the remaining open lane.”
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State Route 96 will alternate traffic daily from 7 a.m. to 2 p.m. through July 31.“096: Daily from 7 a.m. to 2 p.m. beginning Monday, July 27 to 2 p.m. Friday, July 31, State Route 96 traffic will alternate with flaggers from East Lowell Larimer Road (milepost 4) to State Route 9 (milepost 6) for utilities work.”
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Two sections of SR 9 will also see alternating traffic starting July 29No usable supporting receipt — unverified.