§ 71.029  DRIVING ON LEFT ON APPROACH TO INTERSECTION.
   No vehicle may be driven on the left side of the roadway when approaching within 100 feet of or traversing any intersection or railroad grade crossing or when the view is obstructed upon approaching within 100 feet of any bridge, viaduct, or tunnel.
(SDCL § 32-26-36)  Penalty, see § 70.99