SDCL § 31-13-1.5: Posting of signs on no maintenance section line.

The board of township supervisors shall post signs on a no maintenance section line to notify the motoring public that it is a no maintenance section line and that no travel is advised. The signs shall be posted at each entry point and at regular intervals along a no maintenance section line. A properly posted sign is prima facie evidence that adequate notice of a no maintenance section line has been given to the motoring public.