Why Safety Belts Are Effective
Safety belts can keep you from being knocked unconscious, improving your chances of escape. Fire or submersion occurs in less than 5% of fatal large truck crashes.
In 2004, 168 truck drivers died when they were ejected from their cabs during a crash.
In a frontal collision occurring at 30 mph, an unbelted person continues to move forward at 30 mph causing him/her to hit the windshield at about 30 mph. This is the same velocity a person falling from the top of a three-story building would experience upon impact with the ground.
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