N.D. Cent. Code § 24-01-30
The highway authorities of the state, counties, and municipalities of North Dakota, acting alone or in cooperation with each other or with any federal, state, or local agency, or any other state having authority to participate in the construction and maintenance of highways, are hereby authorized to plan, designate, establish, regulate, vacate, alter, improve, maintain, and provide controlled-access facilities for public use wherever such authority or authorities are of the opinion that traffic conditions, present or future, will justify such special facilities, provided that within municipalities such authority is subject to such municipal consent as may be provided by law. Said highway authorities of the state, counties, and municipalities, in addition to the specific powers granted by law, also have and may exercise, relative to controlled-access facilities, any and all additional authority now or hereafter vested in them relative to highways or streets within their respective jurisdictions. Said units may regulate, restrict, or prohibit use of such controlled-access facilities by the various classes of vehicles or traffic in a manner consistent with the definition of a controlled-access facility.
N.D.C.C. § 24-01-30