The department shall designate state highway 91 from the junction of United States highway 52 and state highway 91 to the junction of state highway 91 and state highway 3 as North Dakota's shortest highway and shall place signs along the highway designating that name. The department may accept any appropriate signs or funds donated to the department for the placement of signs. Any donated funds are appropriated to the department on a continuing basis for the purpose of providing signs designating state highway 91 as North Dakota's shortest highway.
N.D.C.C. § 24-01-60