Headline: Major traffic congestion near Traffic Ave (WA-410) and 166th Ave / Sumner Tapps Hwy (WA-410) Severity: Major Type: JAM Location: Traffic Ave (WA-410) and 166th Ave / Sumner Tapps Hwy (WA-410) From: Traffic Ave (WA-410) To: 166th Ave/Sumner Tapps Hwy (WA-410) Coordinates: 47.19291, -122.22771 Started: 2026-06-21T03:37:00.000Z Ended: 2026-06-21T04:14:30.000Z Last reported: 2026-06-21T03:54:27.732Z Description: Stopped traffic. Accident Source: CrashStory.com Canonical: https://crashstory.com/incidents/TTI-63446f93-5945-4644-9294-b25589e8bfb2-TTL12611711836067000--major-traffic-ave-wa-410-166th-ave-sumner-tapps-hwy-congestion/ JSON: https://crashstory-api-production.up.railway.app/api/incidents/TTI-63446f93-5945-4644-9294-b25589e8bfb2-TTL12611711836067000