Anti-crash device

An anti-crash system for a commercial vehicle, said vehicle comprising a front bumper at an elevational above a bumper of a passenger vehicle, a front spoiler beneath said front bumper at the level of the bumper of the passenger vehicle, means for displacing said front spoiler from a retracted inoperative position underneath said front bumper to an extended, operative position forwardly of said front bumper, and means elastically supporting said front spoiler in said extended, operative position for cushioning impact between said spoiler and a passenger vehicle, said spoiler including a plurality of overlapping segments which slide on one another as said spoiler moves between said operative and inoperative positions, said segments in said operative position being angulated to apply force to the passenger vehicle to deflect the passenger vehicle laterally when the commercial vehicle and the passenger vehicle impact in a direction longitudinally of the commercial vehicle.