Traffic Highlights

Traffic Highlights

Welcome to your headquarters for viaduct-related traffic information. Major traffic changes are highlighted on this page. To your right are links to a full list of closures, traffic cameras, and other resources to help you find your way. You can also sign up to receive weekly emails about upcoming detours and closures.

  • Construction highlights for Friday, Dec. 2 - Friday, Dec. 9

    North end

    Until Friday, Dec. 9 

    • A single lane of southbound SR 99 will be closed between Raye and Mercer streets from 10 a.m. to 2 p.m. weekdays.


    Thursday, Dec. 8 

    • Two left lanes of southbound SR 99 will be closed between Raye Street and the Dexter Avenue North off-ramp from 8 p.m. to 6 a.m.
    — more —

Current Conditions

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