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Seattle Traffic Projector

A 180-day forecast of congestion across the greater Seattle area, driven by every Mariners, Kraken, Seahawks, and Sounders home game, major concerts, festivals, and WSDOT closures.

180-Day Congestion Forecast

Click a day to see the events driving it.

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Loading schedules from MLB, NHL, and venue calendars…

Calendar View

Each day is colored by projected congestion. Click any day to inspect events.

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July 2026

August 2026

Top 6 Worst Days

Select a day

Pick a day from the chart or the worst-days list to inspect events and corridor-level congestion.

Upcoming Events (180 days)

Tip Jar — Venmo @amaniellen