Engages in traffic control activities which include responding to traffic accidents; issuing traffic and parking citations; conducting sobriety tests, directing and re-routing traffic around accidents, street hazards and congestion; assisting persons stranded on public roadways; dispatches emergency personnel and tow trucks to clear traffic congestion. May be assigned apprehension and detection activities which include interviewing victims, witnesses, and other involved parties; collecting evidence; assembling composites, photos, and line-ups for suspect identification; communicating with other agencies to obtain additional evidence; and documenting actions with daily reports.