Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary function of a four-phase signal?
💡 Hint: Think about traffic control and management.
Question 2
Easy
Name one advantage of a four-phase signal.
💡 Hint: Consider what happens without conflicts.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does each phase in a four-phase signal represent?
💡 Hint: Think about what happens at each light change.
Question 2
True or false: Four-phase signals improve overall efficiency by separating conflicting traffic flows.
💡 Hint: Recall about traffic flow management.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
Analyze a scenario where a four-phase signal is implemented in a small town. What challenges might arise, and how could they be mitigated?
💡 Hint: Think about traffic behavior in different settings.
Question 2
Design a four-phase signal plan for a busy intersection with significant left turns. Include a description of phasing for optimal traffic flow.
💡 Hint: Focus on how each phase interacts with through and turning traffic.
Challenge and get performance evaluation