Kan. Stat. § 68-1902
The state, county or city highway authorities, acting alone, or cooperating with each other or with any federal, state or local authority, or any other state, are hereby authorized to design, designate, establish, regulate, vacate, alter, improve, construct and maintain controlled access facilities wherever such highway authorities determine that traffic conditions, present or future, justify such facilities, and said highway authorities may regulate and restrict the use of such facilities by the various classes of vehicles or traffic in a manner consistent with the purposes and provisions of this act. The highway authorities may so regulate, restrict or prohibit access to a controlled access facility so as to best serve the traffic for which such facility is intended.
K.S.A. 68-1902