The Okanogan Wire
Infrastructure

I-405, SR 527 closures begin nightly

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WSDOT announced nightly closures on I-405 and SR 527 starting Monday, July 27, through Friday, July 31.

The I-405 southbound closure affects mileposts 18.11 to 16.45 nightly from 11 p.m. to 4 a.m. SR 527's center lane will close nightly from 9 p.m. Monday to 12 a.m. Thursday on the stretch from 214th Street Southeast to I-405. A separate I-405 closure from milepost 9 to 6.5 will run nightly from 9:30 p.m. to 5 a.m.

Other changes include a SR 203 paving project running nightly from 7 p.m. to 6 a.m. through July 31, and a temporary US 395 closure due to a collision near Blue Creek Road on July 28 from 6:10 a.m. to 1:30 p.m.

📄 Source: WSDOT — Highway Construction & Closures https://wsdot.wa.gov/travel/road-construction
Checked against the public record11 of 11 claims · 100%

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

  • WSDOT announced nightly closures on I-405 and SR 527 starting Monday, July 27405: 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.
  • WSDOT announced nightly closures on I-405 and SR 527 through Friday, July 31405: 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.
  • The I-405 southbound closure affects mileposts 18.11 to 16.45 nightly405: 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.
  • The I-405 southbound closure affects mileposts 18.11 to 16.45 from 11 p.m. to 4 a.m.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.
  • SR 527's center lane will close nightly from 9 p.m. Monday to 12 a.m. Thursday527: 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.
  • SR 527's center lane will close on the stretch from 214th Street Southeast to I-405527: 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.
  • A separate I-405 closure from milepost 9 to 6.5 will run nightly from 9:30 p.m. to 5 a.m.405: Up to two lanes of southbound I-405 from Lake Washington Boulevard Southeast (milepost 9) to North 30th Street (milepost 6.5) will be closed nightly, 9:30 p.m. Monday, July 27 – 5 a.m. Friday, July 31.
  • Other changes include a SR 203 paving project running nightly from 7 p.m. to 6 a.m.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.
  • The SR 203 paving project will run through July 31203: 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. Effective: Jul 24, 2026, 12:48 PM Expected end: Jul 31, 2026, 6:00 AM
  • A temporary US 395 closure due to a collision near Blue Creek Road will run on July 28395: Collision on US 395 at milepost 213.1 near Blue Creek Rd. The roadway is closed; however, a detour route is in place. Watch for flaggers. Beginning at 6:10 am on July 28, 2026, until about 1:30 pm. Follow detour in place and expect delay.
  • The temporary US 395 closure will run from 6:10 a.m. to 1:30 p.m.395: Collision on US 395 at milepost 213.1 near Blue Creek Rd. The roadway is closed; however, a detour route is in place. Watch for flaggers. Beginning at 6:10 am on July 28, 2026, until about 1:30 pm. Follow detour in place and expect delay.

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