Headline: Major traffic congestion near Lake Washington Blvd (WA-520) and I-5 / Roanoke St / Harvard Ave (WA-520) Severity: Major Type: JAM Location: Lake Washington Blvd (WA-520) and I-5 / Roanoke St / Harvard Ave (WA-520) From: Lake Washington Blvd (WA-520) To: I-5/Roanoke St/Harvard Ave (WA-520) Coordinates: 47.64322, -122.31034 Started: 2026-05-31T00:05:37.000Z Ended: 2026-05-31T00:54:04.000Z Last reported: 2026-05-31T00:26:34.467Z Description: Stopped traffic. Accident Source: CrashStory.com Canonical: https://crashstory.com/incidents/TTI-b3f83f0f-b524-4a8d-963d-24f1fff251e7-TTL12484758344017000--major-lake-washington-blvd-wa-520-i5-roanoke-st-harvard-ave-traffic-congestion/ JSON: https://crashstory-api-production.up.railway.app/api/incidents/TTI-b3f83f0f-b524-4a8d-963d-24f1fff251e7-TTL12484758344017000