Headline: Minor traffic congestion near Jeffrey Rd / University Dr (I-405) and Jamboree Rd (I-405) Severity: Minor Type: JAM Location: Jeffrey Rd / University Dr (I-405) and Jamboree Rd (I-405) From: Jeffrey Rd/University Dr (I-405) To: Jamboree Rd (I-405) Coordinates: 33.66764, -117.81693 Started: 2026-06-30T23:35:54.000Z Ended: 2026-07-01T02:38:38.000Z Last reported: 2026-07-01T01:54:37.064Z Description: Heavy traffic. Accident Source: CrashStory.com Canonical: https://crashstory.com/incidents/TTI-1b359a02-18f0-40e0-8231-0aa74cd3af99-TTL16628072080216000--minor-jeffrey-rd-university-dr-i405-jamboree-rd-traffic-congestion/ JSON: https://crashstory-api-production.up.railway.app/api/incidents/TTI-1b359a02-18f0-40e0-8231-0aa74cd3af99-TTL16628072080216000