Mo. Rev. Stat. § 227.527: Donald Lee Cook Memorial Highway designated for portion of State Highway 21 in Reynolds County.

The portion of State Highway 21 from State Route U continuing through the city of Lesterville to Elm Street in Lesterville located in Reynolds County shall be designated as the "Donald Lee Cook Memorial Highway". The department of transportation shall erect and maintain appropriate signs designating such highway with the cost for such designation to be paid by private donation .