Portable message boards have become an indispensable tool for law enforcement agencies and organizers of large events alike, serving as a dynamic and adaptable means of communication in the modern age. These electronic display boards, often mounted on trailers or portable stands, enable police departments to efficiently disseminate critical information to the public, manage traffic flow, and ensure public safety during major gatherings and emergencies. With their versatility and ease of deployment, these message boards have emerged as a vital asset, seamlessly bridging the gap between authorities and the community they serve by enhancing the management of traffic, large-scale events and crowd control.