As used in this subchapter, unless the context otherwise requires:
(1) “Investigating officer” means any state, county, or municipal law enforcement official within his jurisdiction;
(2) “Traffic accidents” means accidents occurring to persons, including pedestrians, motor vehicles, and animals, incidental to and as a consequence of the flow of vehicles and pedestrians along the public highways, roads, and streets of Arkansas; and
(3) “Traffic accident report” means the written report required of the investigating officer, including any later supplements, which describes the site, location, and manner of occurrence of the accident, the persons and vehicles involved, and any other pertinent data that may be useful in the determination of the causes of the accident.