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Upcoming Construction & Events

To view this information geographically, visit our Travelers Information Map to see real-time traffic cameras.

Questions? Email or call 206-684-ROAD.


The following activities may impact travel in Seattle. Note: Information is subject to change. Additional construction or events may be planned in the Seattle area.

January 30 to February 18, 2023

  • February 3: Full closure of SR 99 tunnel. Full closure of northbound and southbound SR 99 tunnel Friday 10 PM - 6 AM
  • February 3-11: Seattle Boat Show. At Lumen Field. Starts at 11:00 AM daily
  • February 3-5: Field to Table. At Lumen Field. Starts at 5:00 PM daily
  • February 3-5: Eastbound Mercer to I-5 northbound on ramp closed 11:59 PM Friday to 4:00 AM Monday
  • February 8-18: Field to Table. At Lumen Field. Starts at 5:00 PM daily
  • February 10-13: SR520 full closure. Eastbound and westbound closure of SR 520 between I-5 and 84th Ave NE. 11 PM Friday - 5 AM Monday


  • Weeknight closures of NB I-5 mainline between the I-5 collector-distributor and Olive Way. 9PM to 5AM nightly.
  • Weeknight (Mon - Thrs) closures of Montlake Blvd. on-ramp to EB SR520. 10PM to 6AM nightly through December 2023.
  • Starting August 12 through February 2023: I-5 express lanes reduced from four to three lanes from SR 520 to Mercer St.

Other Events

To view a more complete list of planned events and activities in the Seattle area click here.

SDOT Construction List
LocationDates and TimesProject Name / AgencyDescription of Traffic ImpactsUrl
Updated: 10/18/2019


Greg Spotts, Director
Address: 700 5th Ave, Suite 3800, Seattle, WA, 98104
Mailing Address: PO Box 34996, Seattle, WA, 98124-4996
Phone: (206) 684-7623

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The Seattle Department of Transportation (SDOT) is on a mission to deliver a transportation system that provides safe and affordable access to places and opportunities for everyone as we work to achieve our vision of Seattle as a thriving, equitable community powered by dependable transportation.