DETERMINATION OF EVIDENCE REQUIREMENTS INCLUDE STATEMENTS, PHOTOGRAPHS, AND PHYSICAL INSPECTION. ENFORCEMENT ACTION IS DECIDED UPON THE SCENE CLEARED, A FOLLOW-UP MADE ON INJURIES, AN ACCIDENT REPORT IS WRITTEN. THE TYPES OF ACCIDENT CASES TO BE INVESTIGATED ARE GIVEN WITH A LIST OF GUIDELINES FOR MAKING OUT A REPORT. HIT AND RUN ACCIDENTS ARE TWO INVESTIGATIONS, ACCIDENT AND CRIMINAL, THEY ARE COVERED IN A SEPARATE DOCUMENT.