§ 71.030  OVERTAKING VEHICLES.
   The driver of any vehicle overtaking another vehicle proceeding in the same direction shall pass at a safe distance to the left thereof.  The driver of an overtaking vehicle shall pass at a safe distance to the side of an overtaken vehicle and may not cut in front of the latter until safely clear of the overtaken vehicle.
(SDCL § 32-26-26)  Penalty, see § 70.99