Months of Hell Ahead for Seattle I-5 Commuters

WSDOT plans extensive closures on northbound I-5 across the Ship Canal Bridge

Apr. 12, 2026 at 9:21am

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A bold, geometric illustration in the Art Deco style, depicting the towering, sweeping forms of a highway overpass and cityscape in the background, conveying the grand scale and impact of the upcoming I-5 closures in Seattle.The looming shadow of construction and closures on Seattle's vital I-5 corridor casts a sense of dread over the city's commuters.Lynnwood Today

Drivers in the Seattle area are bracing for another round of major traffic disruptions on northbound I-5 as the Washington Department of Transportation (WSDOT) prepares to close lanes and sections of the highway for extensive construction work. The closures, which will last for several months, are expected to cause significant delays and backups throughout the region.

Why it matters

The I-5 corridor is a critical transportation artery for the Seattle metropolitan area, and these closures will impact commuters, businesses, and the overall flow of traffic in and around the city. The disruptions could also have ripple effects on public transit, as drivers seek alternative routes and modes of transportation.

The details

WSDOT is planning a series of closures on northbound I-5, including a full closure of the highway from downtown Seattle to the University District this weekend, followed by a 24/7 closure of the two left lanes on the northbound Ship Canal Bridge starting next Monday. The work will continue through the summer, with the entire northbound freeway closed for a weekend in June to remove the work zone. After a break during the World Cup, northbound I-5 will be reduced to just two left lanes until the end of the year.

  • This weekend, northbound I-5 will be fully closed from downtown Seattle to the University District.
  • Starting next Monday, the two left lanes on the northbound Ship Canal Bridge will be closed 24/7 until June 5.
  • The entire northbound I-5 freeway will be closed for a weekend in June to remove the work zone.
  • The work will take a break during the World Cup until July 10, after which northbound I-5 will be reduced to just two left lanes until the end of the year.

The players

Washington Department of Transportation (WSDOT)

The state agency responsible for managing and maintaining the transportation infrastructure in Washington, including the I-5 corridor in the Seattle area.

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What’s next

WSDOT is using data from last year's closures to help manage the traffic, but the impact will still be significant. Commuters are advised to alter their schedules and leave for work at least an hour earlier than normal to avoid the expected delays.

The takeaway

The upcoming closures on northbound I-5 in Seattle will create major disruptions for commuters and businesses in the region, highlighting the importance of the I-5 corridor and the challenges of maintaining and improving critical transportation infrastructure in a growing metropolitan area.