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4 cards from this section. Quick, good the night before a test.
What is a cycle in traffic signals?
Think about what happens from red to green.
What denotes cycle length?
Consider how we measure the duration of the changing lights.
What is a cycle in traffic signals?
Consider what happens through a full change of lights.
True or False: The clearance interval is used for clearing the intersection of vehicles before the traffic signal changes.
Think about how signals ensure safety for all movements.
Consider an intersection that has a green light of 25 seconds, a yellow light of 5 seconds, and an all-red clearance of 2 seconds. Calculate the cycle length and discuss how lost time factors into this scenario.
Add all light phases together, and remember to consider the driver's response time.
If a change interval is extended from 3 seconds to 6 seconds, hypothesize how this might impact traffic flow and lost time at an intersection.
Think about how longer yellow lights might help both safety and delays.
4 more questions in this section. Enroll free to practise them all.
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