Updated August 14, 2026
Know before you go. Stay up to date on airport construction and how it might impact your journey.
Current construction impacts*
| PROJECT | IMPACTED AREA | IMPACT DESCRIPTION |
|---|---|---|
| Elevator Refurbishment | Parking Garage Elevators |
Several of the parking garage elevators are getting refurbished and there will be intermittent closures. Current impacts are to purple elevators and orange elevators, all of the yellow elevators are currently out of service. |
| SEA Underground Controls Replacement | STS Train Shuttles | Ongoing and intermittent overnight impacts to train schedules during off hours. Impacts to cause more regular bus boarding operations. |
*information and all dates and times are subject to change
Resources
- Checkout Airport Capital Projects (Upgrade SEA) to learn more about current and future airport improvements
- Get step-by-step directions throughout the airport and see available routes, detours and more on our interactive map
