Road Safety

NSW DKT traffic lights / lanes questions

All 45 NSW Driver Knowledge Test questions on traffic lights / lanes are on this page, with the correct answer marked on each one. They are 45 of the 358 questions Transport for NSW publishes for the car licence in New South Wales, retrieved 27 August 2026 and published under CC BY 4.0.

Reviewed on

Practice draw: 10 of 45
  1. Question 1

    How should you merge with traffic when entering a freeway?

    • Watch for a gap and merge with the traffic at the speed it is travelling.Correct answer
    • Speed up and force your way into the traffic.
    • Stop, then enter the traffic quickly.
  2. Question 2

    Which movements shown in the diagram can legally be made by the driver of the purple car?

    • O and P only.Correct answer
    • P only.
    • O, P and Q.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  3. Question 3

    Which movements shown in the diagram can legally be made by the driver of the purple car?

    • O, P and Q.Correct answer
    • O and P only.
    • P only.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  4. Question 4

    Which movements shown in the diagram can legally be made by the driver of the purple car?

    • O and P only.Correct answer
    • P only.
    • O, P and Q.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  5. Question 5

    Double unbroken dividing lines are marked on a roadway. You may -

    • Cross them to turn into a driveway or property, if it is safe to do so.Correct answer
    • Cross them to overtake a car ahead if it is safe to do so.
    • Cross them to make a U turn.
  6. Question 6

    A section of road is marked with double unbroken dividing lines as in the diagram. When is a vehicle allowed to cross these lines?

    • To enter or leave a street or driveway.Correct answer
    • To overtake a slow vehicle ahead.
    • When there is no traffic coming the other way.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  7. Question 7

    When driving in traffic lanes (as shown in the diagram), you may change your lane -

    • Only when it is safe to do so.Correct answer
    • Without looking, provided you use your indicator
    • Provided you sound your horn to warn other drivers

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  8. Question 8

    When two lanes merge into one (as shown in the diagram), who should give way?

    • The vehicle which has to cross the lane line.Correct answer
    • The faster vehicle.
    • The vehicle in the right-hand lane because it is overtaking.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  9. Question 9

    Looking at the diagram, which vehicle must give way?

    • Vehicle B.Correct answer
    • Vehicle A.
    • Either vehicle, there is no rule on giving way when merging.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  10. Question 10

    You must use your indicator lights when -

    • Changing lanes or turning left or right.Correct answer
    • Approaching a curve.
    • Double parking.
  11. Question 11

    If you hear the siren of an emergency vehicle, you must -

    • Take whatever action is necessary (with safety) to make way for the emergency vehicle.Correct answer
    • Flash your headlights to warn other drivers.
    • Increase your speed to avoid the vehicle.
  12. Question 12

    You are in car marked A. You wish to overtake car marked B. You should -

    • Wait behind car B until it moves into the left lane.Correct answer
    • Cross the unbroken single line and overtake.
    • Cross the line and overtake only if it is safe.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  13. Question 13

    When the road is marked this way are you permitted to cross the lines and overtake?

    • No.Correct answer
    • Yes.
    • Yes, only if the way ahead is clear.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  14. Question 14

    When starting to overtake you see the dividing lines ahead change to double unbroken lines. What should you do?

    • Do not overtake because you are not permitted to overtake on double lines.Correct answer
    • Continue to overtake because you started when the line was broken.
    • Keep overtaking and cut in in front of the other car as soon as possible.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  15. Question 15

    You want to turn left at this intersection. There is an edge line that continues through the intersection. Are you permitted to turn here?

    • Yes, you can cross an edge line to turn into or out of a street.Correct answer
    • No, not under any circumstances.
    • Yes, only if you are in a taxi, hire car, bus or you live in that street.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  16. Question 16

    Before changing lanes you should -

    • Signal in plenty of time, check your mirrors and look over your shoulder for other vehicles.Correct answer
    • Speed up so you are going faster than the traffic in the other lane.
    • Signal for at least two seconds and quickly change lanes.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  17. Question 17

    You drive into a transit lane where the T2 rule applies. You have one passenger plus yourself. Are you permitted to remain in the transit lane?

    • Yes, you have two people in your car so you can drive in this lane.Correct answer
    • No, because you only have one passenger you must move out of the transit lane immediately.
    • Yes, you can remain in the transit lane, but only if you are turning left in 250 metres.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  18. Question 18

    You change lanes and then see you are in a lane where the T3 rule applies. There is no other traffic in this lane. You have one passenger. What should you do?

    • Change lanes as soon as it is safe because you are not permitted to travel in a T3 lane with only two people in your car.Correct answer
    • Keep driving in the T3 lane because there is no other traffic in it.
    • Immediately pull over to the left and stop. Then wait until it is safe to continue in another lane.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  19. Question 19

    You are approaching the start of a T2 transit lane. You are the only person in the car. You want to turn left at the next intersection 200 metres away. Can you travel in the transit lane at this point?

    • No, because you can only travel in the transit lane if the intersection you are turning left at is within 100 metres.Correct answer
    • Yes, because you only have a short distance to drive.
    • Yes, if there is no traffic behind you.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  20. Question 20

    You are in car marked Y and want to turn right using a median turning lane. A car marked O, coming towards you, is already in the median lane; it is slowing down and indicating. Are you permitted to enter and share the median turning lane?

    • Yes, but you must be prepared to slow down and stop.Correct answer
    • No, if another car is already in the median turning lane you must not use it.
    • Yes, but only if you race the other car and get to the turning position first.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  21. Question 21

    You are driving a car and want to pick up a passenger. The lane you want to stop in is a BUS LANE. Are you permitted to stop there?

    • No, unless you are driving a hire car or a taxi.Correct answer
    • Yes, if you pick the passenger up and then immediately drive off.
    • Yes, you are allowed to stop in a BUS LANE for as long as you like.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  22. Question 22

    What does this sign mean?

    • There is a lane just for light rail vehicles.Correct answer
    • You are approaching a lane that is only for buses.
    • Slow down and prepare to stop for a train.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  23. Question 23

    You are going to turn right from a one-way street. Where should you be when you start your turn?

    • Position R. As close as possible to the right side of the road.Correct answer
    • Any position if it is safe to do so.
    • Position M. From the middle of the road.

    This one is asked against a picture. We draw our own artwork rather than copying the published artwork, and this one is not finished yet. So the question is readable here and stays out of the practice draw.

  24. Question 24

    Overtaking another vehicle requires good concentration and judgement. Which of the following statements is correct?

    • You need to watch out for all large, long vehicles which are turning.Correct answer
    • It is best and safest to speed up when a vehicle behind you tries to overtake you.
    • The faster the vehicle you are overtaking is going, the less distance you need to overtake.
  25. Question 25

    When driving on a multi-lane road with a speed limit of more than 80 km/h, which lane should you choose?

    • The left lane unless overtaking.Correct answer
    • The right lane to avoid slow moving vehicles.
    • Either left or right lane.
  26. Question 26

    Signalling is -

    • Always required before turning or lane changing.Correct answer
    • Not required when turning at T-intersections.
    • Not required when turning at traffic lights with a green arrow.
  27. Question 27

    How should you merge with traffic when entering a motorway?

    • Watch for a gap and increase your speed to safely merge with the traffic.Correct answer
    • Slow down and force your way into the traffic.
    • Stop, then enter the traffic quickly.
  28. Question 28

    A green arrow beside a red signalLeft turn onlyLeft turn onlyLeft turn goes.Left turn goes.Straight ahead waits.Straight ahead waits.
    A green arrow next to a red signal lets you go only the way the arrow points. Every other movement stays stopped.

    You are facing traffic lights (as shown). What do they mean?

    • You may proceed only in the direction of the green arrow.Correct answer
    • You may proceed only in the direction of the green arrow when the red light has changed to green.
    • You must give way to oncoming traffic.
  29. Question 29

    Stop at a red signalRed means stop.Red means stop.You wait behindYou wait behindthe stop line.the stop line.
    A red signal means stop behind the stop line and wait there until the light turns green.

    At traffic lights what is meant when a red light appears?

    • Stop, wait behind the stop line until the lights change to green.Correct answer
    • Stop, wait behind the stop line until the lights change to yellow.
    • Stop, make sure there is no traffic, then drive straight ahead.
  30. Question 30

    Stop safely at a yellow signalYellow means stopYellow means stopwhen you can do so safely.when you can do so safely.You stop at the lineYou stop at the line
    A yellow signal means stop at the stop line, unless you are already so close that braking hard would be dangerous.

    What should you do when approaching traffic lights which change from green to yellow?

    • Stop at the stop line unless you are so close that sudden or sharp braking might cause an accident.Correct answer
    • Speed up to clear the intersection before the lights change to red.
    • Stop, only if a red light camera is in use.
  31. Question 31

    Left turn on red after stoppingLEFT TURN ON REDPERMITTEDAFTER STOPPING
    At this intersection you may turn left on a red light, but only after stopping first and only when it is safe.

    What may you do at an intersection with traffic lights at which this sign is displayed?

    • If the lights are red you must first stop, then you may turn left if it is safe to do so.Correct answer
    • You should slow down and check if anyone is coming before turning left.
    • You may turn left only if a green arrow is shown.
  32. Question 32

    Are you permitted to make a U-Turn at traffic lights?

    • No, unless there is a U-TURN PERMITTED sign at the intersection.Correct answer
    • Yes, at all times.
    • Yes, if there is no danger of colliding with another vehicle.
  33. Question 33

    A green arrow beside a red signalLeft turn onlyLeft turn onlyLeft turn goes.Left turn goes.Straight ahead waits.Straight ahead waits.
    A green arrow next to a red signal lets you go only the way the arrow points. Every other movement stays stopped.

    These lights mean that you -

    • Can turn left, but not go straight ahead.Correct answer
    • Can turn left or go straight ahead.
    • Can turn left only if a sign 'TURN LEFT AT ANY TIME WITH CARE' is displayed.
  34. Question 34

    Movements allowed by a green signalGo only whenGo only whenthe way is clear.the way is clear.Straight, left or rightStraight, left or rightis allowed.is allowed.
    A full green disc lets you go straight ahead or turn left or right, once you have given way and the way is clear.

    This light means, you -

    • Can go straight ahead, or turn left or turn right, if it is safe to do so.Correct answer
    • Must stop and wait for the red light before proceeding.
    • Can make a U turn provided it is safe to do so.
  35. Question 35

    Wait at a red right turn arrowRight turn waits.Right turn waits.Stay behind the lineStay behind the lineuntil the arrow is green.until the arrow is green.
    A red right turn arrow means wait behind the stop line. The turn is not allowed until the arrow turns green, however quiet the road is.

    It is 3 o'clock in the morning. You cannot see any other traffic. You want to turn right. You may -

    • Not turn right while the arrow is red.Correct answer
    • Turn right when you have waited one minute.
    • Turn right if it is safe to do so.
  36. Question 36

    Stop at a red signalRed means stop.Red means stop.You wait behindYou wait behindthe stop line.the stop line.
    A red signal means stop behind the stop line and wait there until the light turns green.

    As you approach an intersection with traffic lights, the yellow light turns to red. You must -

    • Stop and wait for the green light.Correct answer
    • Speed up to avoid traffic from the left and right.
    • Sound your horn and proceed through the red light.
  37. Question 37

    Left turn on red after stoppingLEFT TURN ON REDPERMITTEDAFTER STOPPING
    At this intersection you may turn left on a red light, but only after stopping first and only when it is safe.

    You approach an intersection showing a red light and the sign shown. You wish to turn left. You must -

    • Stop and turn left only if it is safe.Correct answer
    • Stop and wait for a green light.
    • Slow down and turn left or right if it is safe.
  38. Question 38

    It is early morning and there is no other traffic about. You approach an intersection when the traffic lights change from green to yellow. What should you do?

    • Stop.Correct answer
    • Keep going.
    • Drive through and sound your horn.
  39. Question 39

    Movements allowed by a green signalGo only whenGo only whenthe way is clear.the way is clear.Straight, left or rightStraight, left or rightis allowed.is allowed.
    A full green disc lets you go straight ahead or turn left or right, once you have given way and the way is clear.

    You are waiting at an intersection and the lights are red. The traffic lights change to green. You should -

    • Check both sides of the intersection and then proceed.Correct answer
    • Cross the intersection as quickly as possible.
    • Wait until the traffic behind you makes you move.
  40. Question 40

    Wait at a red right turn arrowRight turn waits.Right turn waits.Stay behind the lineStay behind the lineuntil the arrow is green.until the arrow is green.
    A red right turn arrow means wait behind the stop line. The turn is not allowed until the arrow turns green, however quiet the road is.

    You want to turn right at an intersection and see this traffic light. You should -

    • Stay behind the stop line until the green arrow shows.Correct answer
    • Move forward slowly.
    • Enter the intersection and wait for the green arrow.
  41. Question 41

    Left turn on red after stoppingLEFT TURN ON REDPERMITTEDAFTER STOPPING
    At this intersection you may turn left on a red light, but only after stopping first and only when it is safe.

    You wish to turn left at this intersection. The traffic lights are red and you see this sign. You should -

    • Stop, then if you see it is safe turn left.Correct answer
    • Stop until the light turns green.
    • Stop then go straight ahead.
  42. Question 42

    Wait when the road ahead is blockedAAThe queue is stopped at A.The queue is stopped at A.You wait behindYou wait behindthe stop line.the stop line.
    Even on a green light, wait behind the stop line until there is room for you in the road you are turning into.

    You wish to turn left at this intersection and the traffic lights are green. What should you do?

    • Wait behind the stop line until there is room for you to enter the new road.Correct answer
    • Move forward slowly, make the left turn and wait behind car A.
    • Enter the intersection and sound the horn.
  43. Question 43

    Stop safely at a yellow signalYellow means stopYellow means stopwhen you can do so safely.when you can do so safely.You stop at the lineYou stop at the line
    A yellow signal means stop at the stop line, unless you are already so close that braking hard would be dangerous.

    As you approach a set of traffic lights at an intersection, they change from green to yellow (amber). You must -

    • Stop before the lights, unless you are so close that sudden braking might cause an accident.Correct answer
    • Drive through the intersection without accelerating.
    • Accelerate to clear the intersection before the lights change to red.
  44. Question 44

    Portable signals at roadworksRed means stop.Red means stop.Wait on the open laneWait on the open laneat the stop line.at the stop line.You waitYou wait
    Portable signals at roadworks carry the same weight as permanent ones, so obey them exactly as you would a normal set.

    Temporary traffic lights at road works -

    • Must be obeyed.Correct answer
    • Apply to road works vehicles only.
    • Are installed to warn motorists of construction works.
  45. Question 45

    Where to stop at temporary signalsSTOP HERE ONRED SIGNALStop at the sign.Stop at the sign.Do not drive upDo not drive upto the lights.to the lights.You wait hereYou wait here
    At temporary signals you stop at the sign reading stop here on red signal, not level with the lights themselves.

    Where do you stop at temporary traffic lights?

    • At the ‘Stop here on red signal’ sign.Correct answer
    • Where the lane ends.
    • After the traffic lights, but before the construction zone.

Practice traffic lights / lanes

Questions from the Transport for NSW Driver Knowledge Test question bank, published under CC BY 4.0. Bank retrieved 2026-08-27, reviewed 27 August 2026.