South Carolina permit test: traffic signals
Steady and flashing lights, arrows, pedestrian signals and lane-use signals. 4 questions.
You are already in the intersection when the light turns yellow. What should you do?
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
You are already in the intersection when the light turns yellow. What should you do?
- A Back up behind the stop line
- B Stop right where you are and wait for green
- C Clear the intersection as quickly as possible
- D Speed through to beat the red light
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C. Clear the intersection as quickly as possible
A steady yellow warns that the light is about to turn red, so you should stop if you have not entered yet. If you are already in the intersection, clear it as quickly as possible.

View diagram
You are stopped at a red light and want to turn right. There is no sign about turns. What must you do?
- A Turn right only if a green arrow also appears
- B Wait for the green light, since right turns on red are illegal
- C Turn right without stopping if no one is coming
- D Stop, yield to pedestrians and traffic, then turn when clear
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D. Stop, yield to pedestrians and traffic, then turn when clear
Unless a sign prohibits it, you may turn right on red after stopping before the crosswalk. You must yield to pedestrians in or near the crosswalk and to other traffic lawfully using the intersection.
What does a flashing red traffic light mean?
- A Slow down and proceed with caution
- B The signal is broken, so treat it as green
- C Come to a complete stop, then go when safe
- D Stop only if cross traffic is approaching
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C. Come to a complete stop, then go when safe
Treat a flashing red light like a stop sign. Stop behind the stop line, crosswalk or intersection, look both ways and yield the right-of-way if needed before going.
What does a flashing yellow traffic light mean?
- A Slow down and proceed with caution
- B The light is about to turn red
- C You have the right-of-way, so keep your speed
- D Stop completely, then proceed
Show answer
A. Slow down and proceed with caution
A flashing yellow light means slow down and proceed with caution. Be prepared to stop for any traffic entering the intersection.