As the core function of the vehicle, it is equipped with a dedicated anti-collision buffer module (optional 100K protection level), consisting of a guide frame and anti-collision buffer pad. Based on the principle of energy absorption and conversion, the collision energy can be converted into thermal energy and deformation energy through the deformation and buffering of the anti-collision package when the rear vehicle loses control and rear ends, greatly weakening the impact force and preventing the out of control vehicle from directly entering the work area. It comprehensively protects the safety of on-site construction personnel, construction equipment and road facilities, and can also reduce the damage of out of control vehicles and drivers and passengers, achieving a two-way protection effect. It is designed to provide comprehensive passive protection for road maintenance workers and equipment in temporary lane closure sections.