Mo. Rev. Stat. § 227.789: Billy Ray - Cousin Carl - Anderson Memorial Highway designated for a portion of State Highway 91 and State Highway C in Scott County.

The portion of State Highway 91 from U.S. State 61 to State Highway C and continuing east on State Highway C through the city of Morley to State Highway H in Scott County shall be designated as "Billy Ray - Cousin Carl - Anderson Memorial Highway". The department of transportation shall erect and maintain appropriate signs designating such highway, with the costs to be paid by private donations.