CRIME & LAW

Barstow multi-semi crash triggers major hazmat response

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BARSTOW, California – A severe multi-vehicle collision involving several commercial semi-trucks shut down northbound Interstate 15 near Barstow on Monday afternoon, June 22, 2026, and triggered a major hazardous materials response. The crash occurred shortly before 3:00 p.m. near the off-ramp for Old State Route 58, where the California Highway Patrol said a semi-truck rear-ended another big rig, setting off a chain-reaction impact that involved multiple commercial vehicles. One of the trucks left the roadway and struck an overpass support structure before coming to a stop, adding structural concerns to the already complex scene for first responders. The force of the collision heavily pinned one driver inside a crushed cab, and firefighters carried out intricate extrication maneuvers using heavy rescue tools to free the victim. As emergency medical and fire crews worked at the site, they identified one of the involved vehicles as a specialized chemical tanker loaded with approximately 4,500 pounds of highly toxic industrial material. In response, authorities established a safety perimeter around the area and urgently requested assistance from the San Bernardino County Office of Emergency Services and specialized hazardous materials teams, who were tasked with monitoring the tanker’s integrity and preventing any significant chemical release or environmental contamination.

Prepared by Emily Rhodes and reviewed by editorial team.

Timeline of Events

June 22, 2026 Crash occurs near Barstow
June 22, 2026 Semi rear-ends leading big rig
June 22, 2026 Multiple commercial trucks become involved
June 22, 2026 One truck hits overpass support
June 22, 2026 Driver trapped in crushed cab
June 22, 2026 Tanker identified with toxic cargo
June 22, 2026 Hazmat teams urgently requested onsite
June 22, 2026 Safety perimeter established around vehicles

Why This Matters to You

This crash impacts safety and traffic. If you're in the Barstow area, expect delays on Interstate 15. Be aware of detours. If you're a truck driver, this is a reminder to stay alert. Accidents like this can have serious consequences.

The Bottom Line

A multi-semi crash has made a mess of I-15 near Barstow. A toxic cargo adds a hazmat dimension. Authorities are working hard to manage the situation. Worth forwarding if you know someone affected by this traffic disruption.