Podcast
Questions and Answers
What is the purpose of a traffic signal?
What is the purpose of a traffic signal?
- Provide for the orderly and efficient movement of people.
- Effectively maximize the volume movements served at the intersection.
- Reduce the frequency and severity of certain types of crashes.
- All options are correct. (correct)
What is the primary objective of signal timing settings?
What is the primary objective of signal timing settings?
- To travel through an intersection without unnecessary delay.
- To give pedestrians ample time to cross in a crosswalk.
- To move people through an intersection safely and efficiently. (correct)
- To allow for occupants of a vehicle to perform a “Chinese fire drill” at a red light.
Signal timing is one of many factors that contribute to traffic crashes?
Signal timing is one of many factors that contribute to traffic crashes?
True (A)
In what city was the first traffic signal used in 1868?
In what city was the first traffic signal used in 1868?
What is the most common number of phases utilized at an intersection?
What is the most common number of phases utilized at an intersection?
What type of phasing allows a driver to make a left turn without being required to yield to oncoming vehicle traffic?
What type of phasing allows a driver to make a left turn without being required to yield to oncoming vehicle traffic?
What is the acronym N.E.M.A. regarding traffic signal phasing?
What is the acronym N.E.M.A. regarding traffic signal phasing?
Flashcards
Traffic signal purpose
Traffic signal purpose
To regulate traffic flow and ensure safety at intersections.
Signal timing objective
Signal timing objective
Safely and efficiently move vehicles through intersections.
Signal timing's role in crashes
Signal timing's role in crashes
Signal timing is one factor affecting accidents; it's not the sole cause.
First traffic signal city
First traffic signal city
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Common intersection phases
Common intersection phases
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Protected left turn
Protected left turn
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N.E.M.A. in traffic signals
N.E.M.A. in traffic signals
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