I-405, I-90, I-5 closures continue through Sept. 4

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  Multiple Washington State Department of Transportation (WSDOT) construction projects will continue to impact highway traffic in Pullman through Friday, Sept. 4No usable supporting receipt — unverified.
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  I-405 will have overnight closures from 9 p.m. to 5 a.m. on Thursday, Sept. 3“405: Up to two lanes of southbound I-405 from milepost 12 to Coal Creek Parkway Southeast (milepost 10) will be closed overnight, 9 p.m. Thursday, Sept. 3 – 5 a.m. Friday, Sept. 4.”
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  I-405 will have nightly closures from 9 p.m. to 4:30 a.m. through Friday, Sept. 4“405: Up to two lanes of northbound I-405 from milepost 7 to milepost 8.5 will be closed nightly, 9 p.m. Monday, Aug. 31 – 4:30 a.m. Friday, Sept. 4.”
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  I-405's closures will affect both northbound and southbound lanes“405: Up to two lanes of southbound I-405 from milepost 12 to Coal Creek Parkway Southeast (milepost 10) will be closed overnight, 9 p.m. Thursday, Sept. 3 – 5 a.m. Friday, Sept. 4. 405: Up to two lanes of northbound I-405 from milepost 7 to milepost 8.5 will be closed nightly, 9 p.m. Monday, Aug. 31 – 4:30 a.m. Friday, Sept. 4. 405: Up to four lanes of northbound I-405 from milepost 11.5 to milepost 13.7 will be closed nightly, 9:30 p.m. Monday, Aug. 31 – 4:30 a.m. Friday, Sept. 4.”
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  I-90's eastbound off-ramp to Factoria Boulevard will close nightly from 9 p.m. to 5 a.m. during the same period“090: The eastbound I-90 off-ramp to Factoria Boulevard will be closed nightly, 9 p.m. Monday, Aug. 31 – 5 a.m. Friday, Sept. 4.”
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  I-5 near Alger/Lake Samish Road will be reduced to a single lane nightly from 8 p.m. to 5 a.m. through Sept. 4“005: The northbound and southbound I-5 will be reduced to a single lane from 8 p.m. to 5 a.m. nightly Monday, Aug. 31, through Friday morning, Sept. 4, near Alger/Lake Samish Road (exit 240) for fish passage construction.”
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  WSDOT notes these closures are part of ongoing infrastructure projects including fish passage construction on I-5“005: The northbound and southbound I-5 will be reduced to a single lane from 8 p.m. to 5 a.m. nightly Monday, Aug. 31, through Friday morning, Sept. 4, near Alger/Lake Samish Road (exit 240) for fish passage construction.”
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  WSDOT notes these closures are part of ongoing infrastructure projects including utility work on SR 20No usable supporting receipt — unverified.
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  Drivers should expect delays and follow detour signsNo usable supporting receipt — unverified.
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  The I-5 project is scheduled to continue through Sept. 10“005: The northbound and southbound I-5 will be reduced to a single lane from 8 p.m. to 5 a.m. nightly Monday, Aug. 31, through Friday morning, Sept. 4, near Alger/Lake Samish Road (exit 240) for fish passage construction. More information on the <a href="https://wsdot.wa.gov/construction-planning/search-projects/i-5-tributaries-friday-lake-chuckanut-creeks-fish-passage">project webpage</a>. Effective: Aug 14, 2026, 12:55 PM Expected end: Sep 10, 2026, 5:00 AM”
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  Other closures end Sept. 4No usable supporting receipt — unverified.