Section 4.3 - Authorized emergency vehicles(a) The operator of an authorized emergency vehicle, when responding to an emergency or when pursuing or apprehending an actual or suspected violator of the law, may: (1) Disregard traffic control devices;(2) Exceed the speed limit; and(b) The provisions of paragraph (a) of this section do not relieve the operator from the duty to operate with due regard for the safety of persons and property.