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Provide technical supervision regarding traffic control devices to other traffic technicians or laborers.
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Prepare drawings of proposed signal installations or other control devices, using drafting instruments or computer-automated drafting equipment.
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Plan, design, and improve components of traffic control systems to accommodate current or projected traffic and to increase usability and efficiency.
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Measure and record the speed of vehicular traffic, using electrical timing devices or radar equipment.
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Prepare graphs, charts, diagrams, or other aids to illustrate observations or conclusions.
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Provide traffic information, such as road conditions, to the public.
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Interact with the public to answer traffic-related questions, respond to complaints or requests, or discuss traffic control ordinances, plans, policies, or procedures.
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Prepare work orders for repair, maintenance, or changes in traffic systems.
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Visit development or work sites to determine projects' effect on traffic and the adequacy of traffic control and safety plans or to suggest traffic control measures.
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Study traffic delays by noting times of delays, the numbers of vehicles affected, and vehicle speed through the delay area.
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Maintain or make minor adjustments or field repairs to equipment used in surveys, including the replacement of parts on traffic data gathering devices.
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Operate counters and record data to assess the volume, type, and movement of vehicular or pedestrian traffic at specified times.
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Gather and compile data from hand count sheets, machine count tapes, or radar speed checks and code data for computer input.
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Compute time settings for traffic signals or speed restrictions, using standard formulas.
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Review traffic control or barricade plans to issue permits for parades or other special events or for construction work that affects rights of way, providing assistance with plan preparation or revision, as necessary.
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Study factors affecting traffic conditions, such as lighting or sign and marking visibility, to assess their effectiveness.
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Establish procedures for street closures or for repair or construction projects.
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Analyze data related to traffic flow, accident rates, or proposed development to determine the most efficient methods to expedite traffic flow.
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Time stoplights or other delays, using stopwatches.
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Lay out pavement markings for striping crews.
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Place and secure automatic counters, using power tools, and retrieve counters after counting periods end.
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Develop plans or long-range strategies for providing adequate parking space.
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Monitor street or utility projects for compliance to traffic control permit conditions.