Image 1 of 7 ▼ Design ideas presented to the Dallas Parks, Trails, and the Environment committeeThe Brief City officials are exploring placing up to 10 custom-designed billboards along park perimeters to generate revenue amid budget challenges. Dallas could install billboards in city parks as a way to generate money. The X marks potential sign locations near the entrance or perimeter of city parks. City staff estimates 10 billboards placed in approved locations could generate up to $10 million per year for the park system. "It becomes an art piece, not just a way to generate revenue."