Kentucky: Traffic signals Practice Test
Red, yellow and green lights, arrows, flashing signals, right turns on red and pedestrian signals.
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Questions are original and based on the official manual "Kentucky Driver Manual" (Updated July 23, 2026), Kentucky State Police.
All 22 questions in this practice test
Take the test above first, then use this list to study. Tap “Show answer” to see the correct answer and explanation.
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A police officer is directing traffic at an intersection that has traffic signals and signs. What should you do?
- Do what the officer instructs, regardless of the signals or signs
- Obey the traffic signals and signs and ignore the officer
- Obey the officer only if the signals are not working
- Stop and wait for the officer to wave you through, then follow the signs
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Correct answer: Do what the officer instructs, regardless of the signals or signs
When a police officer is directing traffic at an intersection, you do what the officer instructs regardless of traffic-control devices or signs.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 34 · Open this page in the manual (Manual page 34)
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Which of these is included among traffic control devices?
- Radio traffic reports broadcast to drivers
- Warning lights on the vehicle dashboard
- Directions provided by school crossing guards
- The horn of another vehicle on the road
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Correct answer: Directions provided by school crossing guards
Traffic control devices include signals, signs, pavement markings, and directions provided by law enforcement, highway personnel, and school crossing guards.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 34 · Open this page in the manual (Manual page 34)
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On a vertical traffic signal that has all three lights, in what order are they placed from top to bottom?
- Green, yellow, red
- Yellow, red, green
- Red, green, yellow
- Red, yellow, green
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Correct answer: Red, yellow, green
Traffic lights are red, yellow, and green from top to bottom when on the same signal.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 34 · Open this page in the manual (Manual page 34)
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Some traffic lights in metropolitan areas are horizontal instead of vertical. Where is the red light on such a signal?
- On the right
- In the middle
- It varies from signal to signal
- On the left
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Correct answer: On the left
On a horizontal traffic light the red light is on the left, the yellow in the middle, and the green on the right.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 34 · Open this page in the manual (Manual page 34)
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The traffic light is green and the roadway is clear. What must you do before going straight or turning?
- Come to a complete stop behind the stop line first
- Yield to vehicles and pedestrians lawfully within the intersection
- Wait for the lights on the cross street to turn red first
- Sound your horn to warn the cross traffic before going
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Correct answer: Yield to vehicles and pedestrians lawfully within the intersection
On green you may go only after yielding the right of way to other vehicles and pedestrians lawfully within the intersection.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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You turn left on a green light. Whom must you yield to?
- Traffic coming from behind you in your own lane
- Only pedestrians in the intersection
- Through traffic coming from the opposite direction
- Nobody, because green means go
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Correct answer: Through traffic coming from the opposite direction
Left turns on a green light must yield to through traffic coming from the opposite direction.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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What does a yellow traffic light mean?
- The signal is about to turn red, so stop if you can do so safely
- Speed up to clear the intersection before the light turns red
- The signal is about to turn green, so prepare to go
- Slow down and proceed only if pedestrians are present
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Correct answer: The signal is about to turn red, so stop if you can do so safely
A yellow light means the traffic signal is about to turn red, and you stop if you can do so safely.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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Your vehicle entered an intersection while the light was yellow, and the light has now turned red. What is allowed?
- The vehicle may clear the intersection
- The vehicle must stop where it is until the light turns green
- The vehicle must back up behind the stop line
- The vehicle must wait for a police officer to give directions
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Correct answer: The vehicle may clear the intersection
A vehicle may clear an intersection on a red light if it entered the intersection while the signal was yellow.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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When is it against the law to enter an intersection that has a traffic light?
- While the light is yellow
- While the light is flashing yellow
- After the light has turned red
- While a green arrow is lit
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Correct answer: After the light has turned red
It is against the law to enter an intersection after the light turns red.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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Where must you stop for a red traffic light?
- In the middle of the crosswalk
- Behind a crosswalk or stop line
- Past the crosswalk but before the intersection
- Beside the signal pole at the corner
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Correct answer: Behind a crosswalk or stop line
A red light means stop behind a crosswalk or stop line until the green light appears.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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When may you turn right at a red traffic light?
- Without stopping, if no pedestrians are present at the crossing
- Only when a green arrow is also lit at the same time
- Never, because a red light always means wait for the green
- After stopping, if no traffic approaches and no sign prohibits it
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Correct answer: After stopping, if no traffic approaches and no sign prohibits it
You may turn right on red after stopping if there is no approaching traffic, unless a sign is posted prohibiting such turns.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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When is a left turn on a red light permitted?
- When turning from any street if no traffic is approaching
- When turning from a two-way street onto a one-way street
- Never, under any circumstances
- Only when turning from a one-way street onto a one-way street
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Correct answer: Only when turning from a one-way street onto a one-way street
Left turns on red are permitted only when turning from a one-way street onto a one-way street, after stopping first.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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You make a permitted turn on red from a one-way street onto another one-way street. Which lane do you turn into?
- The farthest lane
- The nearest lane
- Any lane you choose
- The center lane
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Correct answer: The nearest lane
The turn is permitted into the nearest lane of another one-way street running in the direction of the turn.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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What does a flashing yellow light mean?
- Come to a full stop and proceed only when it is clear
- Speed up to clear the intersection
- Slow down and watch for others
- Yield only to pedestrians in the crosswalk
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Correct answer: Slow down and watch for others
A flashing yellow light means you must slow down and watch for others.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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A flashing yellow light is found at intersections, construction areas, and on some vehicles. Which vehicles?
- Tow trucks
- Taxicabs
- Moving vans
- Ice cream trucks
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Correct answer: Tow trucks
A flashing yellow light is found at intersections, construction areas, and on some vehicles, like tow trucks.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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What does a flashing red light mean?
- Come to a full stop and proceed only when it is clear
- Slow down, watch for others, and continue driving
- Proceed with caution without stopping at all
- Stop only if other vehicles are approaching the intersection
Show answer
Correct answer: Come to a full stop and proceed only when it is clear
A flashing red light means you must come to a full stop and proceed only when it is clear.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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What does a green arrow signal mean?
- You may go in any direction, since the arrow is green
- You may go in the direction of the arrow, if you are in the proper lane
- You must stop and wait for the light to change
- You must yield to all traffic before turning in any direction
Show answer
Correct answer: You may go in the direction of the arrow, if you are in the proper lane
A green arrow means you may go in the direction of the arrow, if you are in the proper lane.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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What does a flashing yellow arrow mean?
- Stop and wait until the arrow turns solid green
- Do not turn in the direction of the arrow
- Speed up to clear the intersection in the direction of the arrow
- Proceed with caution in the direction of the arrow
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Correct answer: Proceed with caution in the direction of the arrow
A flashing yellow arrow means proceed with caution in the direction of the arrow.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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What does a green arrow pointing upward mean?
- You may only turn left
- You must stop before going ahead
- You may turn around in the intersection
- You may go straight ahead
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Correct answer: You may go straight ahead
A green arrow pointed upward means you may go straight ahead.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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What does a red arrow mean?
- Stop, then turn in the direction of the arrow when clear
- No turning in the direction of the arrow until it turns green
- Proceed with caution in the direction of the arrow
- Yield to traffic, then turn in the direction of the arrow
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Correct answer: No turning in the direction of the arrow until it turns green
A red arrow means no turning in the direction of the arrow until it turns green.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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There is more than one traffic light at an intersection. Which one should you obey?
- The one on the far right side of the road
- The one that turns green first
- The one that is over your lane
- The one nearest to the crosswalk
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Correct answer: The one that is over your lane
When there is more than one traffic light, you obey the one that is over your lane.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 35 · Open this page in the manual (Manual page 35)
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If you have already started through an intersection when the light changes, you should do what?
- Keep going
- Stop right away
- Back up
- Stop where you are
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Correct answer: Keep going
If you have started through an intersection when the light changes, keep going, because last-second changes can cause collisions.
Source: Kentucky Driver Manual (Updated July 23, 2026), page 46 · Open this page in the manual (Manual page 46)