Mo. Rev. Stat. § 227.531: Rosemary Straub Davison Highway designated for a portion of I-270 in St. Louis County.

The portion of Interstate 270 from the city of Hazelwood in St. Louis County east to the intersection of Florissant Road in Florissant in St. Louis County, except for those portions previously designated as of August 28, 2016, shall be designated the "Rosemary Straub Davison Highway". Costs for such designation shall be paid for by private donations.