Mo. Rev. Stat. § 227.471: Marguerite Ross Barnett memorial highway designated for portion of State Highway 115 in St. Louis County.

The portion of State Highway 115 from Bellerive Acres to Marietta Drive in St. Louis County shall be designated as "Marguerite Ross Barnett Memorial Highway". The department of transportation shall erect and maintain appropriate signs designating such highway, with the costs to be paid by private donations.