Infrastructure

I-405, SR 203 closures continue through July 31

Friday, July 31, 2026

2 min read

🤖 By Aiden

🔊 Listen · narrated by Aiden

Multiple road closures and lane restrictions are in effect across Aberdeen, WA through July 31, 2026, according to Washington State Department of Transportation (WSDOT) public records.

I-405 will have southbound lanes closed nightly from 11 p.m. to 4 a.m. between mileposts 18.11 and 16.45 through July 31. State Route 203 will have one lane closed nightly from 7 p.m. to 6 a.m. between mileposts 12.53 and 23.20 through July 31. State Route 96 will have alternating traffic with flaggers from 7 a.m. to 2 p.m. daily between mileposts 4 and 6 through July 31.

Other temporary closures include SR 20 from 9 a.m. to 2:30 p.m. on July 28-30 between mileposts 79 and 82, and SR 522 eastbound from July 30 at 6:20 a.m. between mileposts 21 and 23. I-5 southbound will have a right lane closed from milepost 72 to 69.5 beginning July 29 at 7:18 p.m. until further notice.

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

Source receipts5 of 7 claims supported · 71%

Legacy automated check: the original source text was not preserved. These earlier verdicts have not passed the current publication checks and may contain errors. Source: original document ↗

⚠
Multiple road closures and lane restrictions are in effect across Aberdeen, WA through July 31, 2026No usable supporting receipt — unverified.
✓
I-405 will have southbound lanes closed nightly from 11 p.m. to 4 a.m. between mileposts 18.11 and 16.45 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.”
✓
State Route 203 will have one lane closed nightly from 7 p.m. to 6 a.m. between mileposts 12.53 and 23.20 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.”
✓
State Route 96 will have alternating traffic with flaggers from 7 a.m. to 2 p.m. daily between mileposts 4 and 6 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.”
⚠
Other temporary closures include SR 20 from 9 a.m. to 2:30 p.m. on July 28-30 between mileposts 79 and 82No usable supporting receipt — unverified.
✓
SR 522 eastbound will have a closure from July 30 at 6:20 a.m. between mileposts 21 and 23“522: On SR 522 eastbound from Snohomish River (MP 21) to just west of 164th ST (MP 23) the right lane is closed due to maintenance.”
✓
I-5 southbound will have a right lane closed from milepost 72 to 69.5 beginning July 29 at 7:18 p.m. until further notice“005: Maintenance has the right lane closed on I-5 southbound from milepost 72 near Newaukum River to milepost 69.5 near Koontz Road beginning at 7:18 pm on July 29, 2026 until further notice. Please use caution Effective: Jul 29, 2026, 7:18 PM”