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Welcome to our Transportation Update, where you'll find the latest on road work and other lane/road closures affecting access to Seattle Center. This page is updated weekly.

Please note that 1st Ave N Garage is now closed. Mercer Street Garage, between 2nd and 3rd Avenues North, and 5th Ave N Garage, between Republican and Harrison streets, remain open for public use. Arena construction will start soon. For more information on this transformational project, visit: New Arena at Seattle Center.

To avoid traffic slowdowns, consider all transportation options as you route your way to and from Seattle Center. Several Metro bus routes serve the Center, and Seattle Center Monorail provides a speedy connection between Seattle Center and the Sound Transit/Metro Station at Westlake, and with the new Harrison St connection to South lake Union, Seattle Streetcar is also a walkable option. To learn more about traffic and road work in Seattle, visit: Seattle Traffic.

The SR-99 Tunnel is now open. Downtown entrances/exits at Seneca St and Western Ave no longer exist. Drivers enter the tunnel southbound from 6th Ave N (just north of Harrison St) and exit northbound SR-99 at Republican St. Harrison St is open across Aurora Ave N connecting Seattle Center and South Lake Union.

Waterfront Construction

Colman Dock is open, and the passenger-only ferry facility has been temporarily relocated to its north side. Pickup/ drop-off access remains in front of the terminal building. All drive-on customers arrive from S Jackson St. The west side trail is closed between Lenora and Pike streets until Memorial Day. Road restoration work on Alaskan Way near Pike St has been completed. Four lanes of Alaskan Way, the Pike St crosswalk and the Pike Place Market Garage driveway are now open.

Current Transportation Alerts

FRIDAY, SEPT. 6 AT 10PM TO SATURDAY, SEPT. 7 AT 8AM

Northbound I-5 will be reduced to two lanes over the Ship Canal Bridge.

FRIDAY, SEPT. 6 TO FRIDAY, SEPT. 27, MONDAY-FRIDAY, 9AM-3PM

The center two lanes on 1st and 3rd (both directions) and 4th avenues are closed between Bell and Battery streets.

FRIDAY, SEPT. 6 THROUGH FRIDAY, OCT. 4, 24/7

Thomas St is closed between 7th Ave N and Dexter Ave N.

FRIDAY, SEPT. 13 AT 10PM TO SATURDAY, SEPT. 14 AT 8AM

SR-99 Tunnel will close in both directions for monthly maintenance.

FRIDAY, SEPT. 13 AT 7PM TO MONDAY, SEPT. 16 AT 5AM

Denny Way is closed in both directions at 7th Ave N. Southbound 7th Ave to Wall St is also closed.

SATURDAY, SEPT. 14 AT 10PM TO SUNDAY, SEPT. 15 AT 8AM

SR-99 Tunnel northbound will close for monthly maintenance.

FRIDAY, SEPT. 20 AT 8PM TO MONDAY, SEPT. 23 AT 5AM

Denny Way is reduced to one lane in each direction at 7th Ave N.

MONDAY, SEPT. 23 TO SPRING 2021

The Fairview Ave N Bridge will close for approximately 18 months for reconstruction. Traffic, transit, bicycle and pedestrian detour routes will be on Eastlake Ave E, Aloha St and Fairview Ave N.

FRIDAY, SEPT. 27 AT 10PM TO SATURDAY, SEPT. 28 AT 5AM

Eastbound I-90 is closed between Seattle and Island Crest Way on Mercer Island.

FRIDAY, SEPT. 27 AT 8PM TO MONDAY, SEPT. 30 AT 5AM

Denny Way is closed in both directions at 7th Ave N.I-90 is closed between Seattle and Island Crest Way on Mercer Island.


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