A professional who directs and coordinates activities of police personnel in performance of traffic-control duties and removal of illegally parked vehicles. Respnsibilities include:

• Recommends changes in traffic-control devices and regulations, considering suggestions of subordinates as well as own observations of traffic conditions at intersections or other points where police personnel are stationed.
• Evaluates work performance of subordinates.
• May cooperate with demonstration and parade officials to identify line of march and number of people involved in event.
• May analyze proposed parade plans to determine traffic rerouting requirements and number and disposition of police personnel; and prepares operations procedure to be utilized.
• May assume command of police personnel at site of unauthorized demonstrations to minimize traffic disruption and to maintain law and order.