The Brief
- Northbound I-405 will be fully shut down through Kirkland all weekend (Aug. 28–31), while SR 20 faces single-lane bottlenecks and a Sunday morning bridge closure.
- A packed schedule of Reign, Sounders and Storm games, alongside the free Waterfront Block Party on Saturday, will draw thousands into the city center.
- With the I-5 Express Lanes locked northbound through 2026 and upcoming weekday overnight closures on southbound I-405, drivers should expect heavy delays and rely on transit or detours.
SEATTLE – If you are planning to drive around the Puget Sound region this weekend, be sure to plan some extra time.
A perfect storm of major highway blockages, full freeway closures and city events is setting the stage for gridlock around Seattle and beyond.
Keep reading for all the weekend traffic details.
The main bottlenecks: Major highway closures
Northbound I-405 Kirkland shutdown
The biggest head-scratcher of the weekend is on the Eastside. …