Public Safety

I-405, SR 155, and other highways closed for construction

Wednesday, July 29, 2026

2 min read

🤖 By Aiden

Reviewed

🔊 Listen · narrated by Aiden

Starting Monday, July 27, multiple Washington state highways will have temporary closures or lane restrictions through July 31, according to Washington State Department of Transportation (WSDOT) records.

I-405 will have up to two southbound lanes closed nightly from 11 p.m. to 4 a.m. between mileposts 18.11 and 16.45, and another section closed nightly from 9:30 p.m. to 5 a.m. between mileposts 9 and 6.5. SR 155 remains closed from milepost 46 to 78 due to a wildfire with no estimated reopening time. Other affected routes include SR 527, SR 203, SR 96, SR 20, and US 2, with various lane closures and flagger operations in place for construction and utility work.

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

Checked against the public record10 of 15 claims · 67%

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

✓
Starting Monday, July 27, multiple Washington state highways will have temporary closures or lane restrictions 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.”
✓
The information is according to Washington State Department of Transportation (WSDOT) records“WSDOT statewide highway construction and road closure updates — 7/28/2026:”
✓
I-405 will have up to two southbound lanes closed nightly 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.”
✓
The closure on 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.”
✓
Another section of I-405 will have up to two southbound lanes closed 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.”
✓
The closure on another section of I-405 is between mileposts 9 and 6.5“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.”
✓
SR 155 remains closed from milepost 46 to 78“155: SR 155 is closed from milepost 46, two miles north of Nespelem to milepost 78, two miles east of Omak, due to a wildfire. An estimated reopening time is not determined.”
✓
The closure of SR 155 is due to a wildfire“155: SR 155 is closed from milepost 46, two miles north of Nespelem to milepost 78, two miles east of Omak, due to a wildfire. An estimated reopening time is not determined.”
✓
The closure of SR 155 has no estimated reopening time“155: SR 155 is closed from milepost 46, two miles north of Nespelem to milepost 78, two miles east of Omak, due to a wildfire. An estimated reopening time is not determined.”
⚠
Other affected routes include SR 527“null”
⚠
Other affected routes include SR 203“null”
⚠
Other affected routes include SR 96“null”
⚠
Other affected routes include SR 20“null”
⚠
Other affected routes include US 2“null”
✓
Various lane closures and flagger operations in place for construction and utility work“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.”