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IMSA Traffic Signal Technician I


The IMSA Traffic Signal Technician I Certification certifies that the holder is knowledgeable about the terms and ideas related to signalized traffic control devices and systems.

The exam that occurs at the end of the course tests the knowledge of basic electrical specifications of cabinet wiring and components, operating principles, the tools, processes, and materials used to build signal systems, the fundamentals of traffic signal operation and upkeep, and legal concerns.

Once certified, the bearer of the certification is ready to contribute to any traffic signal crew working on construction and maintenance.



Entry-level technicians who have some basic knowledge of electrical, computers, and construction techniques, are encouraged to take this course.


  • One year of experience in the Traffic field
  • IMSA Work Zone Temporary Traffic Control Technician or IMSA approved Work Zone equivalent (UK - T2 Work Zone Supervisor is approved) 


Topics Covered

  • Introduction to Traffic Signals
  • Brief History
  • Manuals & Agencies
  • Personal Protection/Work Zone Safety
  • Signal Technician Tools
  • Electrical Theory
  • Traffic Signal Concepts & Terminology
  • Controller Assembly (Cabinet) Components
  • Signal Head/Installation Methods
  • Luminaires/Lighting
  • Detection Types
  • Pedestrian Detection & Service
  • School Zone Flashers
  • Liability/Legal Responsibility
  • Maintenance