The left lane of northbound and southbound I-5 will close nightly from 8 p.m. to 5 a.m. Sunday through Friday near Alger/Lake Samish Road (exit 240) for fish passage construction. The closure is scheduled to end on Aug. 28, 2026. The project aims to improve fish passage for tributaries of Friday Lake, Chuckanut Creek, and other waterways. WSDOT states the work will continue nightly until the project's completion date. Drivers should expect delays during these hours and follow detour signs.
I-5 Fish Passage Work Closes Lanes Nights Through Aug. 28
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📄 Source: WSDOT — Highway Construction & Closures — https://wsdot.wa.gov/travel/road-construction
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- ✓The left lane of northbound and southbound I-5 will close nightly“The left lane of northbound and southbound I-5 will close from 8 p.m. to 5 a.m. nightly Sunday nights through Friday mornings through Friday, Aug. 28, near Alger/Lake Samish Road (exit 240) for fish passage construction.”
- ✓The closure will start from 8 p.m. to 5 a.m.“The left lane of northbound and southbound I-5 will close from 8 p.m. to 5 a.m. nightly Sunday nights through Friday mornings through Friday, Aug. 28, near Alger/Lake Samish Road (exit 240) for fish passage construction.”
- ⚠The closure is scheduled to occur Sunday through FridayNo usable supporting receipt — unverified.
- ✓The closure is near Alger/Lake Samish Road (exit 240)“005: The left lane of northbound and southbound I-5 will close from 8 p.m. to 5 a.m. nightly Sunday nights through Friday mornings through Friday, Aug. 28, near Alger/Lake Samish Road (exit 240) for fish passage construction.”
- ✓The closure is for fish passage construction“005: The left lane of northbound and southbound I-5 will close from 8 p.m. to 5 a.m. nightly Sunday nights through Friday mornings through Friday, Aug. 28, near Alger/Lake Samish Road (exit 240) for fish passage construction.”
- ✓The closure is scheduled to end on Aug. 28, 2026“Effective: Aug 14, 2026, 12:55 PM Expected end: Aug 28, 2026, 5:00 AM”
- ⚠The project aims to improve fish passage for tributaries of Friday LakeNo usable supporting receipt — unverified.
- ⚠The project aims to improve fish passage for Chuckanut CreekNo usable supporting receipt — unverified.
- ⚠The project aims to improve fish passage for other waterwaysNo usable supporting receipt — unverified.
- ✓WSDOT states the work will continue nightly“The left lane of northbound and southbound I-5 will close from 8 p.m. to 5 a.m. nightly Sunday nights through Friday mornings through Friday, Aug. 28, near Alger/Lake Samish Road (exit 240) for fish passage construction.”
- ⚠WSDOT states the work will continue until the project's completion dateNo usable supporting receipt — unverified.
- ⚠Drivers should expect delays during these hoursNo usable supporting receipt — unverified.
- ⚠Drivers should follow detour signsNo usable supporting receipt — unverified.
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