Prepare work orders for repair, maintenance, or changes in traffic systems.

Plan, design, and improve components of traffic control systems to accommodate current or projected traffic and to increase usability and efficiency.

Compute time settings for traffic signals or speed restrictions, using standard formulas.

Prepare drawings of proposed signal installations or other control devices, using drafting instruments or computer-automated drafting equipment.

Study factors affecting traffic conditions, such as lighting or sign and marking visibility, to assess their effectiveness.

Gather and compile data from hand count sheets, machine count tapes, or radar speed checks and code data for computer input.