For the purpose of promoting public safety, health, welfare, convenience, and enjoyment of highway travel and to preserve and enhance the natural scenic beauty of highways and adjacent areas, the Outdoor Advertising Division regulates and restricts the establishment, operation, and maintenance of junkyards in areas adjacent to the interstate and primary systems of highways in Missouri.  

Junkyard Policy and Procedure (Engineering Policy Guide)
	Junkyard Controlled Routes Map (2,351kb, 1 page pdf)