Notwithstanding any provision of Kan. Stat. Ann. § 75-4101, or any amendments thereto, to the contrary, the Kansas turnpike authority is hereby authorized to purchase workmen’s compensation insurance independent of the committee on surety bonds and insurance. All insurance contracts purchased by the Kansas turnpike authority pursuant to this section shall be purchased by the authority subject to and in accordance with the provisions of Kan. Stat. Ann. § 75-4101a.