Begin your article by highlighting the recent legislative changes in Virginia that enhance roadside safety with innovative tools like truck-mounted light-up signs. Discuss the role of visual communication in warning drivers, referencing the effectiveness of these signs in capturing driver attention and reducing accidents. Explore the psychological impact of visual cues on driver behavior and safety awareness. Include statistics from traffic studies to underscore their success in preventing roadside casualties. Conclude by emphasizing the ongoing need for advancements in traffic safety measures and public education to continue reducing roadside incidents.