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, July 18 - Friday, July 25

    Regional closures

    Friday, July 18 – Friday, July 25

    • Westbound I-90 will be reduced to one lane around-the-clock across the East Channel Bridge between Bellevue and Mercer Island from 9:30 p.m. Friday, July 18 and 5 a.m. Friday, July 25.



    Until further notice

    • Dexter Avenue North traffic has been shifted onto a temporary roadway between Valley and Republican streets to bypass Mercer Corridor Project construction. The temporary roadway has one travel lane and one bike lane in each direction. 

    Starting the week of July 21

    • The sidewalk on the east side of Dexter Avenue North will be closed around-the-clock between Thomas and Republican streets.

    Monday, July 21 Wednesday, July 23

    • Crews will reduce Dexter Avenue North to one lane of alternating traffic with flaggers between Thomas and Republican streets from 8 p.m. to 5 a.m. each night.

    Wednesday, July 23 Thursday, July 24

    • Crews will close Republican Street between SR 99 and Dexter Avenue North from 7 p.m. to 5 a.m. each night.


    SR 99 corridor

    Tuesday, July 22 Thursday, July 24

    • Crews will close the right lane of northbound SR 99 from Denny Way to Aloha Street and the Denny Way on-ramp to northbound SR 99 from 8 p.m. to 5 a.m. each night.
    — more —

Current Conditions

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