Practice Overview - 42.1 | 21. Traffic Signal Design-II | Transportation Engineering - Vol 2
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42.1 - Overview

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the definition of cycle time?

💡 Hint: Think about how long it takes for all lights to complete their sequence.

Question 2

Easy

Define green splitting.

💡 Hint: Consider how traffic might be distributed at an intersection.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the primary benefit of green splitting?

  • A) Enhances road safety
  • B) Allocates time based on volume
  • C) Increases construction costs

💡 Hint: Consider why we need to adjust times for busy times.

Question 2

True or False: Lost time is irrelevant to effective green time calculation.

  • True
  • False

💡 Hint: Think about what happens at the end of a green light.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Using the provided critical lane volumes and total cycle time, calculate the green split for a lane with a 500 vph volume. Assume total effective green time is 120 seconds.

💡 Hint: Make sure to calculate the total critical lane volume first!

Question 2

Analyze a scenario where adding exclusive pedestrian signals reduces delays by 20%. How might this impact overall traffic flow?

💡 Hint: Think about how pedestrian crossings can change driver behavior.

Challenge and get performance evaluation