Takes precautions to safeguard an accident scene to prevent further incidents; Warns oncoming motorists of existing hazards and diverts traffic as necessary; Surveys accident scenes to decide best course of action in handling the scene and investigating the cause of the accident; Evaluates facts of accident to decide if enforcement action should be taken; Visually examines and inspects accident scenes for physical evidence to determine cause of accident; Interviews motorists and witnesses at accident scene to determine cause of accident; Prepares and completes concise, accurate accident reports; Directs traffic using hand signals to advise motorists what to do and maintains a safe and orderly flow; Performs traffic controls at construction sites or other special events such as parades and sports activities; Handles crowd control at parades, street fairs, sports events, and other special events. Physical Ability: Tasks require the ability to exert heavy physical effort in heavy work, with greater emphasis on climbing and balancing, but typically also involving some combination of stooping, kneeling, crouching, and crawling, and the lifting, carrying, pushing, and/or pulling of moderately heavy objects and materials (20-50 pounds); may occasionally involve heavier objects and materials (up to 100 pounds).