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Chapter 7: Timing Processes for the Intersection
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The purpose of this activity is to help you to understand how the maximum green time settings affect
intersection operations.
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Describe the advantages and disadvantages of increasing maximum green time on intersection opera-
tions
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Movie files: A42-1.wmv A42-2.wmv
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Prepare a document with your answers to the Critical Thinking Questions and your observations from
Tasks 1 and 2
As you begin this experiment, consider the following questions. You will come back to these questions
once you have completed the experiment.
1. Are all of the vehicles in the initial queue on the westbound approach served before the end of each
green interval?
2. What is the mechanism for termination of the phase serving the westbound approach?
3. What are the advantages and disadvantages of the 40 second maximum green time for the operation of
case 1?
4. What are the advantages and disadvantages of the 60 second maximum green time for the operation of
case 2?
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Determining the Effect of the Maximum Green Time
on Intersection Operations