Seattle, WA — A large gathering at Seattle Center is set to spill into the streets, prompting traffic disruptions and potential road closures throughout the city, according to a public alert issued by the Seattle Police Department.
Thousands of individuals are seen packed into the park grounds near the iconic Climate Pledge Arena, as aerial images show a peaceful but sizable crowd preparing to march. The exact nature of the event has not been disclosed, but SPD warns that intersections along the march route may be temporarily closed to ensure safety.
Motorists are advised to avoid the area and monitor real-time updates from the Seattle Department of Transportation via @SDOTTraffic.
Public transit users should also check for route changes or delays.
The crowd from the Seattle Center will take to the streets. Intersections may be closed as they make their way through the city. Follow @SDOTtraffic for up to the minute traffic disruption. pic.twitter.com/2NoX3ngd7M
— Seattle Police Department (@SeattlePD) October 18, 2025