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Quizzes > Lifestyle & Hobbies > Travel & Transportation

Take the Stoplight Quiz: Test Your Traffic Lights Knowledge!

Think you can ace the stop light test? Challenge yourself now!

Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art stoplight quiz scene with layered traffic lights on teal background inviting players to test signal knowledge

This stoplight test helps you practice red, yellow, and green signals and make the right call at busy intersections. Use it to spot gaps before your driving exam so you can react with confidence. Want more prep on signs too? Try our road sign questions .

What does a steady yellow traffic light indicate?
Right turns are prohibited until the light changes.
The light is about to turn red; stop if you can do so safely.
It is safe to speed up and clear the intersection.
Pedestrians have the right of way.
A steady yellow light warns drivers that the signal is about to change to red and they should stop if it can be done safely. It does not require speeding up to beat the red light, which can lead to collisions. Drivers should prepare to stop and clear the intersection before the light turns red. .
When you approach an intersection and the traffic signal is completely dark (no lights are illuminated), you should:
Proceed without stopping since the signals are out of order.
Wait until the lights start working again before proceeding.
Treat it as an all-way stop and yield according to normal right-of-way rules.
Turn right only, since straight travel is prohibited.
A completely non-functioning traffic signal must be treated like a four-way stop. All drivers are required to come to a full stop and proceed in the order of arrival, yielding to vehicles on the right. This ensures safety when signals fail. .
What must you do when you see a flashing yellow arrow for a left turn?
Turn only when a green arrow appears, stopping first.
Stop completely before turning, as it functions like a stop sign.
Yield to oncoming traffic and pedestrians, then turn when safe.
The turn is prohibited until the signal changes to steady yellow.
A flashing yellow arrow indicates a permissive left turn. You may turn but must yield to oncoming traffic and pedestrians before doing so. It does not require a full stop unless necessary to yield. .
What does a flashing red traffic light mean?
The light is malfunctioning; ignore it and follow any posted signs.
Stop completely and proceed when safe, like a stop sign.
Slow down and proceed with caution without stopping.
Only pedestrians have the right of way; vehicles must wait.
A flashing red light is treated exactly like a stop sign: you must come to a full stop, then proceed when the way is clear. It signifies that you have the right to move after stopping, not that you should wait indefinitely. This helps maintain traffic flow when signals are set to flashing mode. .
If you are facing a green circular light and a red left-turn arrow, you may:
Proceed both straight and left without stopping.
Turn left only when the red arrow changes to green.
Turn left if the intersection is clear, even against the arrow.
Turn left after yielding to oncoming traffic.
A red left-turn arrow specifically prohibits left turns while it is illuminated. Drivers must wait until the arrow turns green before making the turn. The green circular light applies only to through movements and right turns, not to left turns under a red arrow. .
In a standard U.S. traffic signal cycle without special turn arrows, what is the correct order of lights?
Green, red, yellow, green.
Yellow, green, red, yellow.
Red, yellow, green, yellow.
Green, yellow, red, green.
A typical U.S. signal sequence goes from green to indicate go, then yellow to warn that the light will change, then red to stop. After red, it returns to green for drivers to proceed. This cycle minimizes conflicts and regulates traffic flow. .
What is the purpose of a protected-permissive left-turn signal phase at an intersection?
It provides both a protected turn phase and a permissive turn phase in the same cycle.
It prohibits left turns entirely to reduce conflicts.
It allows drivers to turn left only on a protected green arrow phase.
It permits left turns at any time after stopping, regardless of the signal.
A protected-permissive phase combines a protected green arrow period with a permissive green ball period. During the arrow phase, left turns are protected from oncoming traffic. During the ball phase, drivers may turn left after yielding. This approach balances safety and efficiency. .
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Study Outcomes

  1. Understand traffic signal meanings -

    Recall the standard stoplight test rules for red, yellow, and green lights to ensure proper compliance at each intersection.

  2. Apply right-of-way protocols -

    Use your understanding of stoplight test guidelines to navigate turns, merges, and pedestrian crossings with confidence.

  3. Analyze traffic lights trivia -

    Break down real-world driving scenarios featuring multi-phase signals and timed intersections to sharpen your quiz skills.

  4. Evaluate correct driving responses -

    Select the safest action in our traffic light quiz situations and reinforce your readiness for the driving test signals quiz.

  5. Improve on-road decision-making -

    Identify knowledge gaps from quiz feedback and build confidence in handling traffic lights under various driving conditions.

Cheat Sheet

  1. Basic Traffic Light Colors and Meanings -

    Every driver must know that red means stop and remain stopped, yellow means prepare to stop, and green means you may proceed when safe. A handy mnemonic - "Red: Rest, Yellow: Yield, Green: Go" - helps cement these rules in your mind for the stoplight test (Federal Highway Administration, 2022). Mastering this tri-color system is the foundation for all traffic light quizzes.

  2. Understanding Arrow Signals -

    Arrow signals indicate specific lane movements: a green arrow grants a protected turn, while a flashing yellow arrow means you can turn but must yield to oncoming traffic and pedestrians. For example, "flashing yellow arrow = caution + yield" is a concise way to remember yield conditions (National Highway Traffic Safety Administration, 2021). Recognizing arrow differences boosts accuracy on any traffic light quiz.

  3. Right-on-Red Rules and Exceptions -

    Most U.S. jurisdictions allow right turns on red after a full stop and only when no "No Turn on Red" sign is posted, but local rules vary - always check your state DMV manual. Mnemonic: "STOP, LOOK, TURN" - stop fully, look both ways, and turn only if clear (Your State DMV, 2023). This rule is a frequent stoplight test question, so know it inside and out.

  4. Yellow-Light Timing & Braking Distance -

    Yellow-light duration is set so drivers can safely stop using the "1-plus-10" rule: allow 1 second for reaction time plus 10 feet per 10 mph for braking distance, based on NHTSA guidelines. For instance, at 30 mph plan for about 1 sec reaction + 30 ft braking to clear the intersection safely (NHTSA, 2022). This quick formula helps you decide whether to stop or proceed when taking the stoplight test.

  5. Countdown & Pedestrian Signals -

    Countdown timers and pedestrian indicators (steady "WALK" vs. flashing "DON'T WALK") ensure safe crossings; a flashing hand means do not start, but finish if already crossing. Remember: "Walk = Go, Flash = Hurry Up, Steady Hand = Stop" (American Association of State Highway and Transportation Officials, 2020). Questions on traffic lights trivia often test your knowledge of these pedestrian-focused signals.

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