Minimum maintenance road signs - Material

Material used for the fabrication of minimum maintenance road signs must be in accordance with the Manual on Uniform Traffic Control Devices adopted by the state highway commissioner under North Dakota Century Code section 39-13-06. The signs must be fabricated using silver-white TYPE III A retroreflective sheeting, as defined in the current edition of the state highway department Standard Specifications for Road and Bridge Construction, where required by section 37-07-01-04, and the sign panel must be constructed of .080 gauge aluminum. The signs may be installed on either steel or wood posts of appropriate size and strength for the support of the sign panel.