I-405 and SR 527 closures this week

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  I-405 and SR 527 will see nightly closures for construction and utility work starting Monday, July 27“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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  The closures will continue through Friday, 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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  The closures are according to Washington State Department of Transportation (WSDOT) records“WSDOT statewide highway construction and road closure updates — 7/29/2026:”
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  Southbound I-405 will have up to two lanes closed nightly from 11 p.m. to 4 a.m.No usable supporting receipt — unverified.
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  The closure on Southbound I-405 is between mileposts 18. 11 and 16. 45“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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  Southbound I-405 will have up to four lanes closed overnight from 8 p.m. to 5 a.m.“405: Up to four lanes of southbound I-405 from Southeast Eighth Street (milepost 13) to Coal Creek Parkway Southeast (milepost 10) will be closed overnight, 8 p.m. Wednesday, July 29 – 5 a.m. Thursday, July 30.”
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  The closure on Southbound I-405 is on July 29-30“405: Up to four lanes of southbound I-405 from Southeast Eighth Street (milepost 13) to Coal Creek Parkway Southeast (milepost 10) will be closed overnight, 8 p.m. Wednesday, July 29 – 5 a.m. Thursday, July 30.”
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  The closure on Southbound I-405 is between mileposts 13 and 10“405: Up to four lanes of southbound I-405 from Southeast Eighth Street (milepost 13) to Coal Creek Parkway Southeast (milepost 10) will be closed overnight, 8 p.m. Wednesday, July 29 – 5 a.m. Thursday, July 30.”
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  Southbound SR 527 will have its center lane closed nightly from 9 p.m. to 12 a.m.“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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  The closure on Southbound SR 527 is through 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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  WSDOT states the closures are for paving projects and utility work“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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  Flaggers will direct traffic during some closures“Flaggers and pilot cars will direct alternating traffic through the remaining open lane.”
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  The work is scheduled to end on July 31 for most projectsNo usable supporting receipt — unverified.