Missouri permit test: traffic signals
Steady and flashing lights, arrows, pedestrian signals and lane-use signals. 5 questions.
What should you do at a flashing red traffic light?
Keyboard: press 1–4 or A–D to answer, Enter for the next question, S to save, R to read aloud, P to pause reading, L to listen and answer.
Sample traffic signals questions
What should you do at a flashing red traffic light?
- A Slow down and proceed with caution
- B Stop only if other cars are present
- C Treat it like a stop sign
- D Wait for the light to turn green
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C. Treat it like a stop sign
A flashing red light means the same thing as a stop sign. Come to a complete stop, yield as needed, then proceed when it is safe.
Source: Missouri Driver Guide, page 46
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What does a flashing yellow arrow mean when you are turning left?
- A You have a protected turn and oncoming traffic is stopped
- B You must stop and wait for a green arrow
- C You may turn, but must wait for a safe gap and yield to pedestrians
- D The signal is broken, so treat it as a four-way stop
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C. You may turn, but must wait for a safe gap and yield to pedestrians
A flashing yellow arrow lets you turn in the arrow's direction, but you must wait for an adequate gap in oncoming traffic and yield to pedestrians. Only a green arrow gives a protected turn.
Source: Missouri Driver Guide, page 47
You reach an intersection where the traffic signals are dark because of a power outage. How should you treat it?
- A As a four-way stop
- B As an uncontrolled intersection where you may keep going
- C As a yield for drivers on the busier road only
- D As a green light for the larger road
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A. As a four-way stop
In Missouri, traffic signals that are not working operate as a four-way stop. Stop, then go in turn, with the first driver to arrive going first.
Source: Missouri Driver Guide, page 47
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In Missouri, when may you turn right on a steady red light?
- A At any time, without stopping first, if no cars or people are coming
- B After a complete stop, if the way is clear and no sign forbids it
- C Only when a green right arrow is lit
- D Never; you must wait for the green light
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B. After a complete stop, if the way is clear and no sign forbids it
After a complete stop, you may turn right on red if pedestrians and traffic are clear. Do not turn if a No Right Turn On Red sign is posted.
Source: Missouri Driver Guide, page 46