The left lane of southbound I-405 will close from 8 a.m. to 4 p.m. Monday, Oct. 26, near Northup Way (mileposts 15 to 14) for maintenance work. The effective date for this closure is Oct. 23, 2026, 2:11 PM, with an expected end of Oct. 26, 2026, 4:00 PM.
I-405 lane closures near Northup Way Oct. 26
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📄 Source: WSDOT — Highway Construction & Closures — https://wsdot.wa.gov/travel/road-construction
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- ✓I-405 lane closures near Northup Way Oct. 26“405 [2 mi from Eastside]: The left lane of southbound I-405 will close from 8 a.m. to 4 p.m. Monday, Oct. 26, near Northup Way (mileposts 15 to 14) for maintenance work.”
- ✓Southbound I-405 left lane closes for maintenance near Northup Way on Oct. 26, 8 a.m. to 4 p.m.“405 [2 mi from Eastside]: The left lane of southbound I-405 will close from 8 a.m. to 4 p.m. Monday, Oct. 26, near Northup Way (mileposts 15 to 14) for maintenance work.”
- ✓The left lane of southbound I-405 will close from 8 a.m. to 4 p.m. Monday, Oct. 26, near Northup Way (mileposts 15 to 14) for maintenance work. The effective date for this closure is Oct. 23, 2026, 2:11 PM, with an expected end of Oct. 26, 2026, 4:00 PM.“The left lane of southbound I-405 will close from 8 a.m. to 4 p.m. Monday, Oct. 26, near Northup Way (mileposts 15 to 14) for maintenance work.”
Source text saved for this check (2026-10-25T06:42:11.457Z)
WSDOT highway construction and road closures within 50 miles of Eastside — 10/24/2026: 405 [2 mi from Eastside]: The left lane of southbound I-405 will close from 8 a.m. to 4 p.m. Monday, Oct. 26, near Northup Way (mileposts 15 to 14) for maintenance work. Effective: Oct 23, 2026, 2:11 PM Expected end: Oct 26, 2026, 4:00 PM 090 [2 mi from Eastside]: From 9 p.m. to 5 a.m. Sunday nights through Friday mornings starting Oct. 25, the eastbound I-90 on-ramp to northbound and southbound I-405 will close for construction. Signed detours will be available. This work is scheduled to continue through Friday morning, Nov. 6. Effective: Oct 20, 2026, 1:53 PM Expected end: Nov 6, 2026, 5:00 AM 405 [4 mi from Eastside]: The 70th Street on-ramp to northbound I-405 will be closed overnight from 11 p.m. Saturday, Oct. 24 –7 a.m. Sunday, Oct. 25. Effective: Oct 24, 2026, 12:00 AM Expected end: Oct 25, 2026, 7:00 AM 405 [4 mi from Eastside]: The 70th Street on-ramp to northbound I-405 will be closed overnight from 11 p.m. Saturday, Oct. 24 –7 a.m. Sunday, Oct. 25. Effective: Oct 24, 2026, 12:00 AM Expected end: Oct 25, 2026, 7:00 AM 405 [4 mi from Eastside]: Up to three lanes of northbound I-405 between milepost 17.45 and milepost 18.12 will be closed overnight from 11 p.m. Saturday, Oct. 23- 8:30 a.m. Sunday, Oct. 25. Effective: Oct 23, 2026, 12:00 AM Expected end: Oct 25, 2026, 8:30 AM 405 [5 mi from Eastside]: Up to three lanes of southbound I-405 between milepost 18.11 and milepost 16.45 will be closed overnight, from 10 p.m. Saturday, Oct. 24- 7 a.m. Sunday, Oct. 25. Effective: Oct 24, 2026, 12:00 AM Expected end: Oct 25, 2026, 7:00 AM 405 [5 mi from Eastside]: The Northeast 85th Street on-ramp to southbound I-405 will be closed overnight, 10 p.m. Saturday, Oct. 24- 6 a.m. Sunday, Oct. 25. Effective: Oct 24, 2026, 12:00 AM Expected end: Oct 25, 2026, 6:00 AM 405 [5 mi from Eastside]: The southbound I-405 off-ramp to Northeast 85th Street will be closed overnight from 10 p.m. Saturday, Oct. 24 – 6 a.m. Sunday, Oct. 25. Effective: Oct 24, 2026, 12:00 AM Expected end: Oct 25, 2026, 6:00 AM
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