San Diego, CA (May 3, 2026) – A serious early morning crash involving a vehicle fire caused major disruptions along Interstate 805 near Mira Mesa.
According to California Highway Patrol logs, the incident occurred around 4:16 a.m. in the southbound lanes near the Mira Mesa Boulevard area. Initial reports indicated a vehicle crashed into the center divider wall, with debris scattered across multiple lanes and the vehicle catching fire shortly after impact.
Emergency crews, including fire and hazmat teams, responded quickly as flames reignited at one point, requiring additional firefighting efforts. Authorities temporarily shut down multiple lanes, including HOV access points, and issued a SigAlert as crews worked to contain the fire, clear debris, and manage traffic.
Further reports indicated the crash may have involved a semi-truck and resulted in significant roadway damage, including to a crash attenuator and center divider. Hazardous materials crews were also called in to handle fluid spills and biohazard cleanup.
At least one person was transported to a nearby hospital for treatment.
The scene remained active for several hours as investigators processed evidence and coordinated towing operations. All lanes were eventually reopened after cleanup was completed.
The crash remains under investigation.
We hope for the recovery of those affected.
What Makes Vehicle Fires After Crashes Especially Dangerous?
Vehicle fires following a crash can significantly increase the danger for those involved. Fuel leaks, electrical sparks, and engine damage can all contribute to rapid ignition after impact, leaving occupants with little time to escape.
In addition to the immediate threat of flames, smoke inhalation and toxic fumes can pose serious health risks. Fires may also reignite, as seen in some incidents, requiring continued monitoring by emergency crews.
These situations often require specialized response, including fire suppression, hazardous material cleanup, and extended road closures. Drivers who witness or are involved in such crashes should move to a safe distance and wait for trained responders to manage the scene.