Mo. Rev. Stat. § 238.245
238.245 Property, district may purchase and control access.
238.245. Property, district may purchase and control access. — The district may, subject to commission or local transportation authority approval, as appropriate:
(1) Purchase land or receive contributions of land and cash for project right-of-way;
(2) Limit and control access from adjacent property to a district project; and
(3) Sell and convey excess right-of-way for fair market value to any person or entity.
(L. 1990 S.B. 479 & 649 § 53) Effective 5-30-90