In a collision, unrestrained passengers are projected forward with such force that front - seat occupants are at much greater risk of being seriously injured or even crushed to death.
Kokkupõrke korral kukuvad tagaistmel istujad turvavöö puudumise korral sellise jõuga ettepoole, et esiistmel istujad on palju suuremas ohus saada tõsiselt vigastada või surma.