To create impactful digital billboard campaigns, focus on clear messaging and striking visuals. Given the limited time drivers have to absorb information, concise and compelling text is essential. Utilize high-resolution images and bold colors to catch the eye and reinforce brand identity. Strategic placement in high-traffic areas will also enhance visibility. Consider incorporating interactive elements, such as QR codes, to engage audiences further. By combining creativity with strategic planning, brands can maximize the effectiveness of their digital billboard campaigns.