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Traffic Updates


  • Saturday, March 4and Sunday, March 5, 6am to 6pm: SR-99 will close in both directions between S. Spokane St. and the Battery Street Tunnel for its semi-annual inspection.

  • Sunday morning, March 5, starting at 6am: 12,000 runners are expected for the early morning Hot Chocolate 15K/5K race. Several lane and road closures around Seattle Center related to the Run will occur including:
    • Eastbound Mercer St. between Dexter and 5th avenues north, opening at 11:25am;
    • Both directions of 5th Ave. N. between Mercer St. and Thomas Avenue, 11:25am;
    • 2nd Ave. N., between Thomas and Broad streets, opening at 9:10am;
    • Broad St. between 2nd and Elliott avenues, 9:15am;
    • Northbound SR-99 between Bell and John streets, opening at 11:15am;
    • Southbound SR-99 between West-ern Ave. and John St., 10:25am;
    • Northbound lanes of Aurora Ave. between Denny Way and 45th St., opening at 11:15am;
    • Southbound Aurora Ave. between 38th St. and Denny Way, 10:25am.
  • Wednesday, March 8:  there are currently several potentially large marches being planned around Seattle Center during mid-day and early evening. 


Mercer Street construction and I-5/Mercer St. exit information
Seattle Center parking, traffic, and transportation information
City of Seattle Traffic Cameras
Highway Information

Main Photo © Rozarii Lynch