Why are the billboards on both sides of the highway taken down?

There are potential safety hazards. There are potential safety hazards in placing billboards on the side of rural roads. It is illegal to set up billboards on the roadside without authorization, and relevant departments such as urban management have the right to remove them in accordance with the law. Urban management refers to the guidance, overall coordination, organization and dispatching of urban management supervision and administrative law enforcement in this city.