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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define cycle time in traffic signal design.
💡 Hint: Think about the signal's operation duration.
Question 2
Easy
What does headway refer to?
💡 Hint: Focus on the timing of vehicles in a sequence.
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 cycle time in traffic signals?
- A. Duration of green light
- B. Total time for all signals
- C. Time for vehicle stops
💡 Hint: Think of the overall time taken for all traffic lights.
Question 2
True or False: Headway is the same for all vehicles at an intersection.
- True
- False
💡 Hint: Consider varying distances and starting times.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a saturation headway of 1.5 seconds, how many vehicles can pass in an hour if the traffic light remains green? Assume the green time is uninterrupted.
💡 Hint: Consider the relationship between headway in seconds and flow in hours.
Question 2
A traffic signal has a cycle length of 80 seconds with a green time of 35 seconds, yellow time of 5 seconds, and total lost time of 6 seconds. Calculate the effective green time.
💡 Hint: Add green and yellow times, then deduct lost times.
Challenge and get performance evaluation