32-22-3.2. Operation of farm implement exceeding width limitations--Restricted hours--Warning lights.Any farm implement exceeding the width limitations prescribed by §32-22-3 may be operated during the period of day between one-half hour after sunset and one-half hour before sunrise on the following day on any road not specified in §32-22-2, if the equipment has flashing or rotating white or amber warning lights placed at each side of the equipment's widest extremity. The warning lights shall be clearly visible to motorists approaching from front and rear. Source: SL 1991, ch 258, §3; SL 1995, ch 182, §2.
South Dakota Legal Code