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Oceanside, CA (July 22, 2026) – A black SUV veered into the center divider and struck a black sedan on northbound I-5 near Mission Avenue in Oceanside on Tuesday, July 21, according to dispatch logs. The SUV’s airbags deployed, and the vehicle continued across the lanes toward the right shoulder, reports said.
A bystander flagged down a nearby fire engine and reported that someone involved may be unconscious, though this had not been confirmed as of this report. Whether either vehicle was blocking traffic remained unclear.
We hope everyone involved is doing okay.
How Do Airbags Work During a Sudden Collision?
Airbags are designed to inflate within a fraction of a second after a vehicle’s sensors detect a sudden, forceful impact. This rapid deployment is meant to create a cushion between an occupant and the steering wheel, dashboard, or door before their body reaches those surfaces.
Sensors throughout the vehicle measure sudden speed changes, and when those changes cross a certain threshold, an inflator fills the bag almost instantly using a rapid chemical reaction. The entire process, from the first moment of contact to full inflation, typically happens in less time than it takes to blink.
Airbags are most effective when paired with a properly worn seat belt, since the belt helps keep an occupant positioned correctly as the bag deploys. Without one, a person can be thrown into the airbag at an angle it wasn’t designed to cushion, which can reduce how well it protects against injury.
