30-Sheet Billboard Art 30-Sheet Billboard Art from Lindsay Johnson 30-Sheet Billboard Art Create a campaign of large format art including 30-sheet billboard, bus shelter signage, and a variety of sizes for transit signage. gLike 30-Sheet Billboard Art Create a campaign of large format art including 30-sheet billboard, bus shelter signage, and a variety of sizes for transit signage. Graphic Design Share R 7 n Lindsay Johnson Freelance Graphic Designer Pittsburgh, PA Follow Contact