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I-405, I-5, SR 527 closures scheduled for Sept. 1-4

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WSDOT announced overnight closures on I-405, I-5, and SR 527 starting Monday, Aug. 31 through Friday, Sept. 4. The closures affect multiple lanes on I-405 southbound from milepost 13.4 to 11.4 and northbound from milepost 11.5 to 13.7, as well as I-5 near Alger/Lake Samish Road (exit 240) and SR 527 at the I-405 ramps. The closures are part of ongoing construction projects including fish passage work on I-5 and utility work on SR 20. WSDOT states the I-5 fish passage construction will continue nightly until Sept. 10, while the I-405 closures will end on Sept. 4. Drivers should expect delays during overnight hours, with specific closures ending at 5 a.m. on the listed dates.

πŸ“„ Source: WSDOT β€” Highway Construction & Closures β€” https://wsdot.wa.gov/travel/road-construction
Source receipts8 of 13 claims supported Β· 62%

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  • βœ“
    WSDOT announced overnight closures on I-405, I-5, and SR 527β€œ405: 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 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. 527: The right lane of northbound SR 527 at the I-405 ramps (milepost 2.6 to milepost 2.95) will be closed overnight from 11:59 p.m. Monday, Aug. 31 to 5 a.m. Tuesday, Sept. 1. 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. 005: The left lane of northbound I-5 will close from 8 p.m. to 5 a.m. nightly Sunday, Aug. 30, through Friday morning, Sept. 4, north of North Lake Samish (exit 246) for fish passage construction.”
  • ⚠
    The closures start on Monday, Aug. 31No usable supporting receipt β€” unverified.
  • βœ“
    The closures end on Friday, Sept. 4β€œ005: The left lane of northbound I-5 will close from 8 p.m. to 5 a.m. nightly Sunday, Aug. 30, through Friday morning, Sept. 4, north of North Lake Samish (exit 246) for fish passage construction.”
  • βœ“
    The closures affect multiple lanes on I-405 southbound from milepost 13.4 to 11.4β€œ405: Up to four lanes of southbound I-405 from milepost 13.4 to milepost 11.4 will be closed nightly, 8 p.m. Monday, Aug. 31 – 5 a.m. Thursday, Sept. 3.”
  • βœ“
    The closures affect multiple lanes on I-405 northbound from milepost 11.5 to 13.7β€œ405: 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.”
  • βœ“
    The closures affect I-5 near Alger/Lake Samish Road (exit 240)β€œ005: 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.”
  • βœ“
    The closures affect SR 527 at the I-405 rampsβ€œ527: The right lane of northbound SR 527 at the I-405 ramps (milepost 2.6 to milepost 2.95) will be closed overnight from 11:59 p.m. Monday, Aug. 31 to 5 a.m. Tuesday, Sept. 1.”
  • βœ“
    The closures are part of ongoing construction projects including fish passage work on I-5β€œ005: The left lane of northbound I-5 will close from 8 p.m. to 5 a.m. nightly Sunday, Aug. 30, through Friday morning, Sept. 4, north of North Lake Samish (exit 246) 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>.”
  • βœ“
    The closures are part of ongoing construction projects including utility work on SR 20β€œ020: Daily (except Saturday, Sunday) beginning Aug. 21 until further notice: State Route 20 traffic will alternate with flaggers from the Swin Slough Bridge (milepost 50) to Laconner Whitney Road/Bay View Road (milepost 53) for city Anacortes utilities work.”
  • ⚠
    WSDOT states the I-5 fish passage construction will continue nightly until Sept. 10No usable supporting receipt β€” unverified.
  • ⚠
    The I-405 closures will end on Sept. 4No usable supporting receipt β€” unverified.
  • ⚠
    Drivers should expect delays during overnight hoursNo usable supporting receipt β€” unverified.
  • ⚠
    Specific closures end at 5 a.m. on the listed datesNo usable supporting receipt β€” unverified.

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