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Traffic Signal Controllers

COURSE NO: C02-056
PDH CREDIT: 2
Traffic Signal Controllers
Course Highlights

This online engineering PDH course presents information regarding traffic signal controllers along with information concerning the contents, arrangement, and function of items found inside a typical traffic signal controller cabinet.  The material is intended to provide a practical overview of controllers and controller cabinets.

 

A traffic signal is typically controlled by a controller inside a cabinet mounted on a concrete pad. Some electro-mechanical controllers are still in use. However, modern traffic controllers are solid state. The cabinet typically contains a power panel, to distribute electrical power in the cabinet; a detector interface panel, to connect to loop detectors and other detectors; detector amplifiers; the controller itself; a conflict monitor unit; flash transfer relays; a police panel, to allow the police to disable the signal; and other components.

 

This 2 PDH online course is intended for traffic engineers and transportation design professionals who are involved in planning and designing traffic signal controllers.

Learning Objectives

This PE continuing education course is intended to provide you with the following specific knowledge and skills:

  • Explaining the characteristics of the various controller standards (NEMA, Type 170, ATC)
  • Understanding the advantages of the more advanced controller standards
  • Knowing the various types of controller cabinets
  • Knowing the types of settings programmed into a traffic signal controller
  • Explaining conflict monitor operation
  • Learning about the operation of detector units and load switches
  • Examining the types of electrical panels found inside a controller cabinet
  • Learning about the use of the various switches found inside the police panel
Course Document

In this professional engineering CEU course, you need to review the course document titled, "Traffic Signal Controllers".

To view, print and study the course document, please click on the following link(s):
Traffic Signal Controllers (6.82 MB)
Course Quiz
Once you complete your course review, you need to take a multiple-choice quiz consisting of fifteen (15) questions to earn 2 PDH credits. The quiz will be based on the entire document.

 

The minimum passing score is 70%. There is no time limit on the quiz, and you can take it multiple times until you pass at no additional cost.
Certificate of Completion

Upon successful completion of the quiz, print your Certificate of Completion instantly. (Note: if you are paying by check or money order, you may print your Certificate of Completion after we receive your payment.) For your convenience, we will also email you your Certificate of Completion. Also, you can log in to your account at any time to access and print your Certificate of Completion.

To buy the course and take the quiz, please click on: