Washington State traffic update :- Collision Blocks HOV Lane on I-405 Southbound Near I-90

Renton, WA — August 12, 2025, 12:00 PM: A collision on I-405 southbound, just north of I-90 (milepost 12), is partially blocking the HOV lane. The Washington State Department of Transportation reports that the Incident Response Team and the Washington State Patrol are on the scene.

Motorists traveling through the area should expect delays and consider alternate routes until the scene is cleared. No details have been released regarding injuries or the number of vehicles involved.
Resource: Washington department of transportation

https://wsdot.com/Travel/Real-time/Map/?featuretype=alert&featureid=658993