Professional Course

Phasing Options for Traffic Signals

PDHengineer, Online
2 hours
59.90 USD
Next course start
Start anytime! See details
Self-paced Online
2 hours
59.90 USD
Next course start
Start anytime! See details
Self-paced Online
This provider usually responds within 48 hours 👍

Course description

engineer in tunnel

In Phasing Options for Traffic Signals, you'll learn ...

  • NEMA vehicle phase numbering conventions
  • The concepts of exclusive and concurrent pedestrian phases
  • Phasing options and examples, including split phasing and quad phasing, as well as T-intersection phasing with either a 4-phase or 8-phase controller
  • Single ring and dual ring phasing and parent/child and independent overlaps


Credit: 2 PDH

Length: 23 pages

This Traffic Signal design course describes the process used for selecting and evaluating traffic signal phasing options. The material is intended to provide a practical overview of traffic signal phasing and its proper application. Included in the course is a discussion of NEMA phase numbering, overlap designations, and design treatments for handling left turns.

A basic knowledge of traffic signal operation is needed in order to understand the concepts presented in this course.

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  • Self-paced Online
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Who should attend?

Certificate of Completion

You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 15 questions. PDH credits are not awarded until the course is completed and quiz is passed.

Training content

This course teaches the following specific knowledge and skills:

  • Provide an discussion of NEMA phase numbering
  • Describe sample phase rotations
  • Explain the use of recall settings
  • Explain rings and barriers
  • Discuss the use of overlaps
  • Explain dual entry operation and conditional service
  • Present left turn treatment options
  • Present signal flashing options and alternatives


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7915 FM 1960 West, Suite 130
77070 Houston Texas

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