This Traffic Signal Operations Course presents information regarding the timing of traffic signals.  The material is intended to illustrate the concepts involved in traffic signal timing for modern fully actuated traffic signal controllers.   Course Outline This online course presents information regarding the timing of traffic signals:

1. TYPES OF TRAFFIC SIGNAL CONTROL
2. VEHICLE TIMING INTERVALS
3. PHASE TERMINATION
4. CHANGE INTERVALS
5. PEDESTRIAN TIMING INTERVALS
6. VOLUME-DENSITY OPERATION

Attendee of this course will obtain a solid foundation in the basic principles of traffic signal timing.

Learning Objectives

At the conclusion of this course, you'll be able to:

• Recognize the various types on traffic signal control (fixed time, semi-actuated and fully actuated),
• Know the factors involved in choosing basic signal timing intervals,
• Know how to properly calculate the yellow change interval,
• Understand the ways in which a signal phase can terminate,
• Be familiar with the latest procedures for determining timings for signalized pedestrian crossings, and
• Understand the various signal timing intervals associated with volume-density operation.