This study involves trucks accidents investigation where occupants are injured. It has been made from the analysis of 51 accidents in which we found 59 occupants.
These crashes are on an average very serious and usually the occupants are polytrauma injured ; the main lesion being in the cephalic segment.
We found main lesions either in case of frontal impact and rollover, or in case of the cab is very collapsed.
We concluded that the increase of occupants' safety during a crash involved either a better stiffness or a higher protection of the cab.