S.D. Admin. R. 70:03:01:14.01
Unless exempted in another section in this chapter, "OVERSIZE LOAD" warning signs must be displayed on all permit vehicles issued an oversize permit according to this chapter that exceed a length of 95 feet or a width of 12 feet or that will operate during nighttime hours. "WIDE LOAD" or "LONG LOAD" signs are allowed in place of "OVERSIZE LOAD" signs. "OVERSIZED LOAD" signs are allowed in place of "OVERSIZE LOAD" signs. Signs must be covered or removed when they are not required according to this chapter.
One sign visible to oncoming traffic must be mounted on the front of the permit vehicle. One sign visible to traffic approaching from the rear must be mounted on the rear of the permit vehicle.
Signs must be legible at 500 feet. Signs must be reflectorized when used for night moves. Signs must be a minimum of 18 inches high by 84 inches wide. The signs must be yellow with black letters. Letters on the sign at a minimum must be upper case, 10 inches high, with 1 and 3/8 inch brush strokes. The signs must be kept in good repair.
S.D. Admin. R. 70:03:01:14.01
General Authority: SDCL 32-22-42.
Law Implemented: SDCL 32-22-42.