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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.

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

THROUGH OCT 15, 2021

Be aware of possible lane and street closures along Queen Anne Ave, 1st Ave N, Thomas St, Republican St and Mercer St associated with a street improvement project. More at

North Downtown Mobility Action Program - NODO Map

THROUGH FALL 2022

A WSDOT mobility project is making road and technology improvements along a 2.5-mile stretch of northbound I-5 from Yesler Way to Lakeview Blvd.

TO TBD/2022

The West Seattle High-Rise Bridge is closed to all traffic. Motorists should use 1st Avenue and South Park bridges.

Seattle Department of Transportation - NODO Map

FRIDAY, SEP 10 AT 9PM TO MONDAY, SEPT 13 AT 5AM

The I-5 Express Lanes are closed while crews replace 26 broken concrete panels.

FRIDAY, SEP 10 AT 10PM TO MONDAY, SEPT 13 AT 5AM

All southbound I-5 traffic will funnel through the collector-distributor at I-90 as crew replace expansion joints. East and westbound I-90 to southbound I-5 is also closed (except for two hours before and after Sounders or Mariners games).

FRIDAY, SEP 10 AT 10PM TO SATURDAY, SEP 11 AT 5AM

Sr-99 Tunnel is closed in both directions for monthly maintenance.

FRIDAY, SEPT 10 AT 11PM TO MONDAY, SEP 13 AT 5AM

The Montlake Bridge is closed to all traffic. The Bridge will also close on Oct 8-11; Oct 22-25; Oct 29-Nov 1 and Nov 19-22.

SEP 13 & 14 AT 7:10PM

Seattle Mariners home games will add traffic to the evening commute.


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