Construction in Seattle
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Planned roadwork on I-405

Scheduled window: Ended Thu, Oct 1, 4:06 AM PT

Source says

Up to three lanes of southbound I-405 between SR 527 (milepost 26.48) and SR 522 (milepost 23.37) will be closed nightly from 11 p.

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m. to 4 a.m. starting Tuesday night, Sept. 29 to Thursday morning, Oct. 1.

Source: Road reports

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CitySignal summarizes information from third-party and public sources. Always follow instructions from the relevant government agency, utility, transit provider, or emergency authority.