The lesions inflicted upon 1370 occupants in private cars are analysed. There was no major influence upon lesions according to location in the car. Safety belt users aquired significantly less severe lesions than non-users. In 596 cases the accident situation was obtained from the police records. The lesions did not vary significantly what anatomical location was concerned according to varying accident situations. Description of the damage on the car in which the lesions were inflicted was available for 355 casualties. This material showed an excess number of frontal impacts. Relatively more severe lesions were aquired in transverse impacts, although the type of lesions were the same. Right side impacts were significantly more common than left side impacts. The degree of internal damage to the car had significant influence upon lesion severity, while the distance from the occupant to the point of impact did not have major influence.