Updated July 16, 2025
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 |
| Roadway Improvements |
Departures Drive lanes |
July 24 8 p.m. - July 25 4 a.m. Overnight work with single lanes closures and traffic impacts while the two Departures Drive lanes getting shifted slightly to the west. |
| SEA Gateway | Checkpoint 6 | TSA Security Checkpoint 6 on the far north end is closed until later in 2025 |
*all dates and times are subject to change
Resources
- Check 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
