Abstract: A safety screen or barrier (10) for the protection of occupants within the vehicle against unrestrained forwardly moving loads within the vehicle in a situation where the vehicle suddenly decelerates. The screen assembly (10) comprise a thermoformed panel (11) of tough impact resistant polycarbonate material which, when mounted within the vehicle extends transversely from side to side and from top to bottom of the vehicle, the panel (11) being capable of deforming by eversion when load impacts thereagainst. The panel (11) has a rearwardly directed peripheral flange (17) and a forwardly bowed or arched profile in vertical section. Deformable pockets in the lower region of the panel (11) assist in cushioning the impact of the moving load against the panel. Devices (12) releasably anchor upper corners of the panel (11) to the vehicle roof, while devices (13) releasably engage bottom corner portions to the floor of the vehicle.