Headline: Major traffic congestion near Highland Ave (Underpass) (CA-210) and CA-18 / Waterman Ave (CA-210) Severity: Major Type: JAM Location: Highland Ave (Underpass) (CA-210) and CA-18 / Waterman Ave (CA-210) From: Highland Ave (Underpass) (CA-210) To: CA-18/Waterman Ave (CA-210) Coordinates: 34.14560, -117.31003 Started: 2026-06-29T23:04:51.000Z Ended: 2026-06-30T01:29:35.000Z Last reported: 2026-06-30T00:09:35.007Z Description: Stopped traffic. Accident Source: CrashStory.com Canonical: https://crashstory.com/incidents/TTI-7b75bac4-805a-4257-8527-8a898d363314-TTL16674247332065002--major-highland-ave-underpass-ca-210-18-waterman-ave-traffic-congestion/ JSON: https://crashstory-api-production.up.railway.app/api/incidents/TTI-7b75bac4-805a-4257-8527-8a898d363314-TTL16674247332065002