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, April 24 - Friday, May 1


    Friday, April 24 and Monday, April 27

    • Crews will close the left lane of northbound SR 99 between Mercer and Galer streets from 10 a.m. to 2 p.m.  Monday is reserved on a contingency basis in case the work is not finished on Friday.


    Sunday, April 26

    • Crews will close the two right lanes of southbound SR 99 across the Aurora Bridge from 6 a.m. to noon. 

    Friday, May 1 through Sunday, May 3

    • Crews will close the eastbound I-90 mainline between Seattle and Bellevue from 11 p.m. Friday until 5 a.m. Monday.  Traffic will be detoured to the express lanes during this time.
    — more —

Current Conditions

Get traveler information on your mobile device


iPhone, iPad or Android users


Android app on Google play


Available on the App Store

WSDOT App is now available!

Just type in the term "WSDOT" in Google play or the App Store to download the WSDOT application to get this same great information on your phone.


You can also try visiting on your mobile device.